iiinova — where your digital self keeps evolving

Blue Headline @blueheadline.bsky.social · 3h

Kids who had a smartphone at 12 were about 1.5x as likely to report eating-disorder symptoms by 14, in a study of 8,957 US children. It's a link, not proof. What age did your kids get theirs?

blueheadline.com

Phone Owners at 12 Were Twice as Likely to Tie Self-Worth to Weight

What age should a child get a phone? A study of 8,957 US kids found those with a smartphone at 12 had more eating-disorder symptoms by 14.

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Blue Headline @blueheadline.bsky.social · 05/10/2026

Is napping good for you? Short naps boosted alertness for up to about 2 hours in lab studies. Across 21 studies, naps under an hour weren't linked to higher death risk, but naps of an hour or more were.

blueheadline.com

Naps of an Hour or More Linked to 22% Higher Death Risk

Is napping good for you? Short naps sharpen alertness in trials, while naps of an hour or more are linked to higher health risks. Length matters most.

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Blue Headline @blueheadline.bsky.social · 05/10/2026

Does red light therapy work? In 7 double-blind trials, home devices beat fake ones for hair loss. Knee pain evidence is low certainty, and wrinkle trials are small and mixed. Dermatologists say FDA clearance isn't proof it works.

blueheadline.com

Red Light Therapy Helped Hair Growth in Trials. Skin Claims Are Shakier

Does red light therapy work? For hair loss, trials of home devices are encouraging. For wrinkles and pain, the evidence is much weaker than the ads suggest.

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Blue Headline @blueheadline.bsky.social · 05/10/2026

Meet Norellraptor, a new feathered cousin of Microraptor from China. Its group shares 57 flight-related features with birds, but they evolved in a different order, suggesting dinosaurs built wings more than once.

blueheadline.com

Microraptor’s Group Shares 57 Features With Birds. They Evolved Separately

What was Microraptor? A new crow-sized relative from China suggests these feathered dinosaurs evolved their flight gear separately from birds.

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Blue Headline @blueheadline.bsky.social · 05/10/2026

Is sparkling water bad for you? In lab tests, plain sparkling water dissolved enamel about 100 times less than soft drinks. Cola, not other fizzy drinks, was linked to lower bone density. Flavoured versions are the catch.

blueheadline.com

Is Sparkling Water Bad for Your Teeth? 100 Times Gentler Than Soda

Is sparkling water bad for you? For teeth, bones and hydration, plain fizzy water looks fine. Flavoured versions are a different story.

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Blue Headline @blueheadline.bsky.social · 05/10/2026

The 'scarcity mindset' rests largely on one 2012 game. A re-analysis finds the 'poor' players weren't better shots: they only took the early, easy shots. And they faced the choice to borrow on 45% of levels vs 2% for the 'rich'.

blueheadline.com

Poor Players Weren’t More Accurate—They Just Shot First

What is the scarcity mindset? A famous study said being poor narrows your focus. A re-analysis finds the game's rules, not tunnel vision, explain it.

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Blue Headline @blueheadline.bsky.social · 05/10/2026

Does coffee dehydrate you? In a trial of 50 regular coffee drinkers, four mugs a day hydrated as well as water. A review of 16 studies found caffeine adds about 109 mL of urine, mostly at rest.

blueheadline.com

Four Mugs of Coffee. Three Days. No Sign of Dehydration.

Does coffee dehydrate you? In a trial of 50 men, four cups a day hydrated as well as water. Caffeine's effect on urine is real, but small.

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Blue Headline @blueheadline.bsky.social · 04/10/2026

Why are bear attacks rising in Japan? Across 790 incidents in 18 years, attacks jumped when beech nuts failed, and nearly quadrupled when other forest food failed too. Since about 2006, the worst nut years have got worse.

blueheadline.com

When Two Forest Foods Failed, Bear Attacks in Japan Nearly Quadrupled

Why are bear attacks rising in Japan? A new study links the surge to beech nut failures that got worse after 2006, especially when other forest food failed too.

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Blue Headline @blueheadline.bsky.social · 04/10/2026

13,423 adults aged 65+ took seven simple fitness tests. Over 7 years, the best performers on a quick stand-walk-sit test had a 59% lower risk of death than the worst. Balance and leg strength showed the strongest links.

blueheadline.com

One Simple Fitness Test Linked to 59% Lower Death Risk After 65

Can a simple balance test say anything about how long you'll live? In 13,423 older adults, better balance and leg strength went with much lower death risk.

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Blue Headline @blueheadline.bsky.social · 04/10/2026

Should you stretch before exercise? Holding a stretch for 60 seconds or more cut performance by about 4.6% in a major review, and stretching didn't prevent injuries in 1,538 recruits. A warm-up with strength and balance work did better.

blueheadline.com

The Warm-Up That Cut Football Injuries by 39% Isn’t Just Stretching

Should you stretch before exercise? Long static holds can slightly weaken performance and don't seem to prevent injury. Here's what works instead.

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Blue Headline @blueheadline.bsky.social · 04/10/2026

Does white noise help you sleep? A review of 38 studies rated the evidence very low. It seemed to help in noisy hospitals. A 2026 lab study found pink noise cut REM sleep, while earplugs blocked disruptive noise without that cost.

blueheadline.com

38 Studies Later, White Noise Still Isn’t a Sure Sleep Fix

Does white noise help you sleep? A review of 38 studies rated the evidence very low. It may help in noisy places, but earplugs did better in one lab test.

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Blue Headline @blueheadline.bsky.social · 04/10/2026

Is walking after eating good for you? Trials found a walk after a meal blunted the blood sugar spike, while exercise before the meal didn't. Starting within 30 minutes worked best. In type 2 diabetes, 10-minute walks after meals beat one daily walk.

blueheadline.com

Walking After Eating Works. Walking Before Eating Doesn’t, Trials Show

Is walking after eating good for you? Trials show a walk soon after a meal blunts blood sugar spikes better than walking before it.

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Blue Headline @blueheadline.bsky.social · 04/10/2026

Is dark chocolate good for you? A review of 31 trials found small drops in blood pressure and LDL cholesterol, with no weight gain. The catches: the effects are modest, it's calorie-dense, and tests found lead and cadmium in many bars.

blueheadline.com

Dark Chocolate’s Health Twist: Small Benefits, Heavy Metals in 28 Bars

Is dark chocolate good for you? Trials show small drops in blood pressure and LDL cholesterol. Here's what the research shows, and the catches.

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Blue Headline @blueheadline.bsky.social · 03/10/2026

Five randomised trials, five countries, 16,936 children. A 20-minute weekly phone call with a tutor raised maths skills everywhere, and nearly doubled the share who could do division. Cost: about $11 a child.

blueheadline.com

Weekly Tutoring Calls Nearly Doubled the Share of Kids Doing Division

Can phone tutoring help children learn? In five trials across five countries, 20-minute weekly calls boosted maths for about $11 a child.

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Blue Headline @blueheadline.bsky.social · 03/10/2026

4.2 million people, 74 studies. Leisure-time exercise went with a 24% lower risk of dementia. Physically demanding work went with a 20% higher risk. The catch: observational, low-certainty evidence, and the work result rests on 5 studies.

blueheadline.com

More Activity, Less Dementia—Unless It’s Your Job

Does exercise lower dementia risk? In 4.2 million people, leisure-time activity went with a 24% lower risk, but physical work went with a 20% higher one.

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Blue Headline @blueheadline.bsky.social · 03/10/2026

Does music help you study? A meta-analysis of 65 studies found background music slightly lowers reading comprehension. Songs with lyrics were as distracting as nearby speech; instrumental music seemed to do little harm.

blueheadline.com

Does Music Help You Study? 65 Studies Say Lose the Lyrics

Does music help you study? A review of 65 studies found background music slightly hurts reading comprehension, and songs with lyrics are the worst offenders.

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Blue Headline @blueheadline.bsky.social · 03/10/2026

How many steps a day do you need? 10,000 began as the name of a 1965 Japanese pedometer. In 47,471 adults, the death-risk benefit levelled off around 6,000-8,000 steps for over-60s. A 2025 review links 7,000 steps to 47% lower risk.

blueheadline.com

Forget 10,000: 7,000 Steps Linked to Lower Death Risk

How many steps a day do you really need? Research on 47,471 adults found the benefits level off around 6,000 to 8,000 for over-60s, well short of 10,000.

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Blue Headline @blueheadline.bsky.social · 03/10/2026

Is creatine good for your brain? A 2026 trial found one dose eased the mental slump of a sleepless night by up to 12%. But Europe's food safety authority found no proven link between creatine and better thinking.

blueheadline.com

One Creatine Dose Eased Sleep-Loss Fog by Up to 12%

Is creatine good for your brain? Small trials hint at better memory, but Europe's food safety authority found no proven effect. Here's what the evidence shows.

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Blue Headline @blueheadline.bsky.social · 03/10/2026

Do blue light glasses work? A Cochrane review of 17 trials found they probably make little or no difference to eye strain from screens. Sleep trials split 3 and 3. Eye doctors suggest the 20-20-20 rule instead.

blueheadline.com

Do Blue Light Glasses Work? 17 Trials Say Not for Eye Strain

Do blue light glasses work? A Cochrane review of 17 trials found they probably don't ease eye strain, and the sleep results were mixed. Here's what helps.

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Blue Headline @blueheadline.bsky.social · 02/10/2026

Why are people afraid of clowns? In a survey of 528 people who fear them, the top reasons were make-up that hides a clown's real emotions, scary films and unpredictable behaviour. A bad personal encounter ranked last of eight.

blueheadline.com

Why Are People Afraid of Clowns? 528 People Who Fear Them Explain

Why are people afraid of clowns? 528 people who fear them mostly blamed hidden emotions, scary films and unpredictable behaviour, not bad experiences.

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Blue Headline @blueheadline.bsky.social · 02/10/2026

What do cold plunges actually do? A review of 11 trials found stress fell 12 hours later, but inflammation briefly rose. Cold showers cut sick days by 29%. And for lifters, routine ice baths may blunt strength gains.

blueheadline.com

Cold Plunge Benefits: Less Stress, Fewer Sick Days, Weaker Gains

What are the real cold plunge benefits? A review of 11 trials found lower stress 12 hours later, but also a brief rise in inflammation and weaker muscle gains.

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Blue Headline @blueheadline.bsky.social · 02/10/2026

Does magnesium help you sleep? A review of 3 small trials found older adults fell asleep about 17 minutes faster. A 2025 trial of 155 adults found a small benefit. The catch: the evidence is low quality and the effects are modest.

blueheadline.com

Magnesium for Sleep: 17 Minutes Faster, From Just 3 Small Trials

Does magnesium help you sleep? Trials show a small benefit at best, about 17 minutes faster to fall asleep in older adults, from weak studies.

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Blue Headline @blueheadline.bsky.social · 02/10/2026

27 years of catches, 1,246 species. Two hot ocean years in a row raised the odds of a very poor fish catch by about 40%. Heat plus a collapse in plankton growth: up to 80%. The catch: catches aren't fish numbers, and it shows links.

blueheadline.com

Hot, Hungry Seas Raised the Odds of a Disastrous Fish Catch by Up to 80%

What is a marine heatwave doing to our fish? Across 254 regions, hot years plus poor plankton growth sharply raised the odds of a collapse in catches.

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Blue Headline @blueheadline.bsky.social · 02/10/2026

2,222 Fitbit users, about 7 years of data. People with a strong rhythm, active days and quiet nights, had 26-46% lower odds of ageing faster than their years. The catch: it's a link, not proof, in healthier-than-average volunteers.

blueheadline.com

Fast Agers Took 900 Fewer Steps a Day in This 7-Year Fitbit Study

What is biological age, and can your fitness tracker see it? In 2,222 Fitbit users, a stronger daily activity rhythm went with slower biological ageing.

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Blue Headline @blueheadline.bsky.social · 02/10/2026

Does mouth taping work? A review of 10 studies found all were poor quality, and only 2 showed a clear drop in sleep apnoea events, in mild cases with clear noses. Four warned of a serious risk if your nose is blocked.

blueheadline.com

Does Mouth Taping Work? 10 Studies Say Mostly No

Does mouth taping work? Two reviews found small gains only in mild sleep apnoea, poor-quality studies, and a real risk if your nose is blocked.

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Blue Headline @blueheadline.bsky.social · 01/10/2026

Naming a feeling can quieten the brain's alarm. In 151 bilinguals, it only worked in their dominant language, and people who used both languages equally got no effect. The catch: it was a short lab task.

blueheadline.com

Brain Scans Show Emotion Words Lose Their Calming Power in a Second Language

Does "name it to tame it" work in any language? A brain-scan study of 151 bilinguals found naming feelings calmed the brain only in their dominant language.

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Blue Headline @blueheadline.bsky.social · 01/10/2026

Do peptides for skin work? A review of 19 trials found oral peptides improved skin hydration and brightness, but the wrinkle effect was modest. Injectable peptides like BPC-157 have no controlled human trials, and the FDA lacks safety data.

blueheadline.com

19 Trials: Oral Peptides Improve Skin, but Wrinkles Barely Budge

Do peptides for skin work? A review of 19 trials found modest benefits, mostly from oral collagen peptides. Injectable peptides are another story.

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Blue Headline @blueheadline.bsky.social · 01/10/2026

Top 10 Research Stories of September 2026 Our 10 best research stories of September: climate doom, quitting Wegovy, Australia's teen social media ban, sleep apps, and more.

blueheadline.com

Top 10 Research Stories of September 2026

Our 10 best research stories of September: climate doom, quitting Wegovy, Australia's teen social media ban, sleep apps, and more.

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Blue Headline @blueheadline.bsky.social · 01/10/2026

Air hunger is the urgent feeling that you can't get enough air. Research shows it lights up the brain's fear systems, which is why it feels so frightening. A handheld fan can ease it for a few minutes; opioids didn't help in daily life.

blueheadline.com

What Is Air Hunger? The Breathlessness That Feels Like Fear

What is air hunger? It's the urgent feeling of not getting enough air. Here's why it happens, what helps, and when it needs urgent care.

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Blue Headline @blueheadline.bsky.social · 01/10/2026

Does weed help you sleep? A review of 54 trials found cannabinoids added some sleep time for people with insomnia. The catch: the evidence was low quality, and regular users build tolerance, with withdrawal disrupting sleep for weeks.

blueheadline.com

Cannabis Helps People With Insomnia Sleep Longer, but at a Cost

Does weed help you sleep? Trials suggest cannabinoids can add some sleep time, but the evidence is weak, and regular use can backfire.

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Blue Headline @blueheadline.bsky.social · 01/10/2026

"Your brain isn't fully developed until 25" is everywhere. The biggest brain-scan study, over 100,000 people, shows different parts peak anywhere from age 2 to 29. The catch: most data compare different people at different ages.

blueheadline.com

Is Your Brain Really Done at 25? 100,000 Brain Scans Say No

When does the brain fully develop? Not at a neat 25. Brain scans of over 100,000 people show different parts peak from age 2 to 29.

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Blue Headline @blueheadline.bsky.social · 30/09/2026

840,000 payday loan requests: on extreme heat days, more people applied, lenders issued less credit and more loans defaulted. The catch: effects per hot day were small, and it's observational. But heat gets no federal disaster aid.

blueheadline.com

Hot Days Sent More People Looking for Payday Loans, and Fewer Got Them

What is a payday loan, and why does heat matter? Across the US, very hot days brought more loan requests, less credit and more defaults.

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Blue Headline @blueheadline.bsky.social · 30/09/2026

A self-driving car kept braking beside a traffic cone. Its new explanation layer showed why: it thought a stopped car was ahead. There wasn't one. The catch: few real-road tests, and the funder holds a patent on the method.

blueheadline.com

This Self-Driving Car Braked for a Car That Wasn’t There. Then It Explained Why

Are self-driving cars safe? A Nature study shows a car that explains its reasoning helped drivers spot when it was confused, and predict its next move.

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Blue Headline @blueheadline.bsky.social · 30/09/2026

239 trials of exercise for chronic back pain: short-term relief peaked at moderate doses, around 3 sessions a week of 30 minutes. More added little. The catch: most trials were weak, and benefits faded after a few months.

blueheadline.com

How Much Exercise Eases Back Pain? 239 Trials Point to a Sweet Spot

What are the best exercises for lower back pain? A review of 239 trials suggests how much you do matters more, and more isn't always better.

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Blue Headline @blueheadline.bsky.social · 30/09/2026

124 trials, 18,429 adults over 40: brisk walking or jogging ranked among the best exercises for bone density, with meaningful gains at about 2 to 3 hours a week. The catch: certainty was low to moderate, and fewer fractures isn't proven yet.

blueheadline.com

2 to 3 Hours of Brisk Walking a Week Can Slow Bone Loss After 40

What is the best exercise for bone density? Across 124 trials, brisk walking or jogging ranked at the top, with gains at about 2 to 3 hours a week.

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Blue Headline @blueheadline.bsky.social · 29/09/2026

In 684 overnight lab sleep tests, children on melatonin spent 16.7% of their sleep in REM, versus 19.0% for similar children who weren't. The catch: a small gap, from one clinic, and it may not be melatonin's doing.

blueheadline.com

Is melatonin safe for kids? In 684 overnight lab sleep tests, children using melatonin had slightly less REM sleep. Everything else looked the same.

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Blue Headline @blueheadline.bsky.social · 29/09/2026

Webb found an object from 660 million years after the Big Bang whose light no known mix of stars can make. The best explanation, not yet proof: a young black hole in a cocoon of gas.

blueheadline.com

No Star Can Make This Light. A Black Hole in a Gas Cocoon Can

What are JWST's little red dots? Webb found one whose light no star can make. The best explanation: a young black hole wrapped in dense gas.

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Blue Headline @blueheadline.bsky.social · 29/09/2026

90 million US hospital stays. Gram for gram, long-term wildfire smoke was linked to about twice the heart and lung risk of ordinary air pollution. The catch: smoke levels were estimated by ZIP code, not measured for each person.

blueheadline.com

90 Million Hospital Stays Show Wildfire Smoke Hits the Heart and Lungs Harder

The long-term health effects of wildfire smoke: across 20 US states, it carried about twice the heart and lung risk of ordinary air pollution.

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Blue Headline @blueheadline.bsky.social · 29/09/2026

95,559 people wore wrist trackers for a week. Over the next nine years, those with about 48 more minutes of REM sleep had a 46% lower risk of dementia. The catch: it's observational, so it can't prove REM protects the brain.

blueheadline.com

48 Extra Minutes of REM Linked to 46% Lower Dementia Risk

How much REM sleep do you need? In 95,559 people, more REM was linked to lower risk of 83 diseases, with a sweet spot of 6 to 8 hours a night.

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Blue Headline @blueheadline.bsky.social · 28/09/2026

This Tiny Bee Sees Almost as Sharply as a Honeybee Drone A small Australian bee spots tiny moving targets nearly as well as honeybee drones with much bigger eyes. Bigger eyes don't always mean sharper vision.

blueheadline.com

This Tiny Bee Sees Almost as Sharply as a Honeybee Drone

A small Australian bee spots tiny moving targets nearly as well as honeybee drones with much bigger eyes. Bigger eyes don't always mean sharper vision.

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Blue Headline @blueheadline.bsky.social · 28/09/2026

A Popular Ageing Test Can Move, but That Doesn’t Mean You’ll Live Longer A review of 51 studies found newer biological age clocks respond to diets and drugs. Older ones barely move, and a drop isn't yet proven to mean a longer life.

blueheadline.com

A review of 51 studies found newer biological age clocks respond to diets and drugs. Older ones barely move, and a drop isn't yet proven to mean a longer life.

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Blue Headline @blueheadline.bsky.social · 28/09/2026

Video Therapy Beat Phone and In-Person Care in a Study of 813,699 Veterans Veterans who mostly had therapy by video had slightly fewer mental health crises and attended more sessions. But there's a catch in who chose video.

blueheadline.com

Video Therapy Beat Phone and In-Person Care in a Study of 813,699 Veterans

Veterans who mostly had therapy by video had slightly fewer mental health crises and attended more sessions. But there's a catch in who chose video.

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Blue Headline @blueheadline.bsky.social · 28/09/2026

Rationed Babies Had 19% Lower Death Risk, 70-Year Sugar Study Finds Babies who spent their first 1,000 days under 1950s sugar rationing later had fewer age-related diseases and a lower risk of death.

blueheadline.com

Rationed Babies Had 19% Lower Death Risk, 70-Year Sugar Study Finds

Babies who spent their first 1,000 days under 1950s sugar rationing later had fewer age-related diseases and a lower risk of death.

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Blue Headline @blueheadline.bsky.social · 27/09/2026

NASA Flew a Radiation Vest Around the Moon. It Could Cut Solar Storm Doses by 60% Two dummies flew around the Moon on Artemis I, one in a radiation vest. Simulations suggest it could cut a major solar storm's dose by up to 60%.

blueheadline.com

NASA Flew a Radiation Vest Around the Moon. It Could Cut Solar Storm Doses by 60%

Two dummies flew around the Moon on Artemis I, one in a radiation vest. Simulations suggest it could cut a major solar storm's dose by up to 60%.

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Blue Headline @blueheadline.bsky.social · 27/09/2026

Three Months After Australia’s Ban, 85% Were Still on Banned Platforms Before Australia's under-16 social media ban, 3 in 4 young users said they'd keep going. A follow-up found most under-16s were still on the banned apps.

blueheadline.com

Three Months After Australia’s Ban, 85% Were Still on Banned Platforms

Before Australia's under-16 social media ban, 3 in 4 young users said they'd keep going. A follow-up found most under-16s were still on the banned apps.

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Blue Headline @blueheadline.bsky.social · 27/09/2026

Pulled an All-Nighter? A 20-Minute Workout Protected Memory as Well as a Nap After 30 hours awake, 20 minutes of brisk cycling helped people remember about as much as a 90-minute nap. Brain waves show the two work differently.

blueheadline.com

Pulled an All-Nighter? A 20-Minute Workout Protected Memory as Well as a Nap

After 30 hours awake, 20 minutes of brisk cycling helped people remember about as much as a 90-minute nap. Brain waves show the two work differently.

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Blue Headline @blueheadline.bsky.social · 27/09/2026

157,822 People Started Wegovy. Half Had Quit Within a Year A nationwide Danish study found about half of people who started semaglutide for weight loss stopped within 12 months. Who stops, why, and what happens next.

blueheadline.com

157,822 People Started Wegovy. Half Had Quit Within a Year

A nationwide Danish study found about half of people who started semaglutide for weight loss stopped within 12 months. Who stops, why, and what happens next.

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Blue Headline @blueheadline.bsky.social · 27/04/2026

GitHub’s Supply Chain Warning Is Really About Secret Theft, Not Just Bad Packages GitHub says modern supply-chain attacks increasingly start with secret exfiltration from GitHub Actions, not just poisoned packages further downstream.

blueheadline.com

GitHub’s Supply Chain Warning Is Really About Secret Theft, Not Just Bad Packages

GitHub says modern supply-chain attacks increasingly start with secret exfiltration from GitHub Actions, not just poisoned packages further downstream.

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Blue Headline @blueheadline.bsky.social · 26/04/2026

One Robot Brain, Many Bodies: Why Morphology-Conditioned World Models Matter A new quadrupedal world model shows how robot policies may transfer across body types by conditioning on morphology instead of retraining from scratch.

blueheadline.com

One Robot Brain, Many Bodies: Why Morphology-Conditioned World Models Matter

A new quadrupedal world model shows how robot policies may transfer across body types by conditioning on morphology instead of retraining from scratch.

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