Reposted by Mark HopwoodAmerican Museum of Natural History @amnh.org · 07/10/2026Ever feel like a fish out of water? Meet the giant mudskipper (Periophthalmodon schlosseri). Found on the muddy shores of mangroves in parts of Southeast Asia, it uses its pectoral fins to “skip” or “walk” across mudflats. Photo: wcyongwc, CC BY-NC 4.0, iNaturalist 68117
Mark Hopwood @markinchina.bsky.social · 06/10/2026Over the holidays my teaching activities are confined to the sandpit and the lego box 😆 Today we mastered the art of wetting dry sand to make better castles 🏖️ 020
Reposted by Mark HopwoodUSF College of Marine Science @cmarinescience.bsky.social · 30/09/2026In this episode, Assistant Prof.@margaretbrisbin.bsky.social Margaret Mars Brisbin explores the hidden world of marine microbes. From storm-driven flooding to the long-term effects of changing ocean conditions, learn how these communities support marine ecosystems. shows.acast.com/the-rising-t... 1135
Reposted by Mark HopwoodThe Keeling Curve @keelingcurve.bsky.social · 03/10/2026425.14 parts per million (ppm) CO2 in air 02-Oct-2026 keelingcurve.ucsd.edukeelingcurve.ucsd.eduThe Keeling CurveThe Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego. 01612
Reposted by Mark HopwoodScott Doney @scottdoney.bsky.social · 04/10/2026🌊 SWMS www.swmsmarinescience.comswmsmarinescience.comSociety for Women in Marine Science | Join and Empower TodayJoin the Society for Women in Marine Science to support gender equity, celebrate research, and connect with professionals in marine science. 0167
Reposted by Mark HopwoodMassimo (mirror) @rainmaker1973-m.bsky.social · 03/10/2026A chinstrap penguin makes its way through the snow in Antarctica. [📹 Alex Stead] Original post 3804
Reposted by Mark HopwoodMassimo (mirror) @rainmaker1973-m.bsky.social · 04/10/2026Sea bunnies are actually a species of sea slug called Jorunna parva. They became an internet sensation because they look exactly like tiny, fluffy white rabbits. Original post 16681147
Mark Hopwood @markinchina.bsky.social · 03/10/2026In 2013 Margaret Owen was awarded a medal (OBE) by the Queen for her outstanding work as a lawyer. She was arrested this week, for terrorism. She's 94. Is she a terrorist? Obviously not. But such is the UK's absurd handling of leading advocates for #FreePalestine 🕊️ 032
Mark Hopwood @markinchina.bsky.social · 02/10/2026Enjoying the fireworks over Hong Kong to celebrate China's 77th birthday 🎆 010
Reposted by Mark HopwoodCarlos Moffat @carlosmoffat.com · 29/09/2026🌊 Here's a great opportunity to participate in the Southern Ocean Observing System initiative. If your work is relevant to the West Antarctica Peninsula-Scotia Arc region, please apply! 074
Reposted by Mark HopwoodNatalia (娜塔莉) @wrycritic.bsky.social · 30/09/2026If you really care about retaining women and other non-traditional groups. Don't be a bystander.nature.comToxic workplaces are the main reason women leave academic jobsWomen feel driven out by problems with workplace culture more often than by lack of work–life balance. 07511
Mark Hopwood @markinchina.bsky.social · 30/09/2026We've forced 3000 children through amputations without anesthesia, and we must now deny them wheelchairs-because they're terrorists. (They're not terrorists of course, but if we just said we were ethnically cleansing them, you'd understand what monsters we've become) #Israel #Gaza #FreePalestine 000
Reposted by Mark HopwoodMassimo (mirror) @rainmaker1973-m.bsky.social · 30/09/2026The Skeleton Panda Sea Squirt (Clavelina Ossipandae) is a translucent reef-dwelling creature whose rib-like structures and panda-like markings give it a spooky, animated look. Found in Southeast Asia, it harmlessly filters seawater and helps keep coral ecosystems healthy. Original post 31773180
Mark Hopwood @markinchina.bsky.social · 30/09/2026After careful consideration, we have decided not to charge you to come and see all the valuable cultural relics and artefacts that we permanently "borrowed" from your ancestors after turning up with guns and saying we really, really liked them. You're welcome 🙃 www.lemonde.fr/en/internati...lemonde.frUK decides against charging foreigners for museumsThe government announced in March it would explore the idea of charging foreign visitors to boost funding. But after months of consultation, the culture ministry decided against the move, saying it co... 021
Mark Hopwood @markinchina.bsky.social · 29/09/2026Since the 1970s, rivers have been dismissed as negligible sources for ocean Fe budgets. Yet the reality is in the Arctic & parts of the Atlantic, they are the dominant Fe source! Time to rewrite the textbooks? Comments on our preprint are very welcome 🌊 egusphere.copernicus.org/preprints/20... 020
Reposted by Mark HopwoodCephalopods Daily @cephalopodsdaily.bsky.social · 28/09/2026I guess diamonds are forever... Diamondback squids (Thysanoteuthis rhombus) are one of the few cephalopod species that are monogamous and not polyandrous. They pair up as juveniles and stay together until death. They also lay their eggs in what look like giant pink slinkies. #SQUIDtember 634479
Mark Hopwood @markinchina.bsky.social · 28/09/2026Peak student numbers are expected in the early 2030s followed by rapid decline. What does this mean? For Chinese students, it's probably good news- top universities will be competing more and more to attract top students. For Chinese universities, there may be a period of consolidation in the 2030s. 000
Mark Hopwood @markinchina.bsky.social · 28/09/2026Under COVID and Trump, the number of Chinese students heading abroad has declined, with more seeking opportunities at home. But in the longer term, population decline matters. Last year 10 million students graduated from Chinese Universities, but only 8 million babies were born.... 100
Mark Hopwood @markinchina.bsky.social · 28/09/2026China's university sector is in for a rollercoaster of a decade. The number of universities and enrolling undergraduates has climbed rapidly since the 1990s. Peak student numbers are expected in the early 2030s, after which student numbers will quickly decline... www.economist.com/china/2026/0...economist.comWhy ever fewer young Chinese study abroadThose who do are more likely to return home afterwards 131
Mark Hopwood @markinchina.bsky.social · 28/09/2026I jumped this morning when the telephone on my office desk rang. For the first time in 5 years, I received a landline call. It was the directory coordinator checking that the phone numbers are correctly listed 😅. I cannot help but feel this may be an obsolete job 🤔 000
Reposted by Mark HopwoodSouthern Ocean Observing System (SOOS) @soosocean.bsky.social · 28/09/2026🌊 State of the Southern Ocean in 2025 SandyThomalla and other SOOS members contributed to this year's @ametsoc State of the Climate: buff.ly/yp2oEDD 🌡️ Widespread warming 🔥 Record-high upper-ocean heat content 🌊 Enhanced ocean heat uptake 🌱 Elevated summer chlorophyll 🫧 Surface O2 anomaliesbuff.lyState of the Climate 2025: Antarctica and the Southern OceanSpecial Online Supplement to the Bulletin of the American Meteorological Society Vol. 107, No. 8, August, 2026 077
Mark Hopwood @markinchina.bsky.social · 26/09/2026#Misalignment is a new term used by #AI companies to describe where AI did something it was not trained to do or was otherwise unintended. Yet it's not a new concept, sci-fi fans are familiar with "misalignment" as key to the plots of many dramas. The concept is found in Asimov's work in the 1940s. 000
Mark Hopwood @markinchina.bsky.social · 25/09/2026我们祝大家中秋节快乐! Wishing everyone a happy mid-autumn festival 🥮 000
Mark Hopwood @markinchina.bsky.social · 23/09/2026My elective biogeochemistry course is so popular it causes problems with low student numbers on other courses in the same program/semester. My department has solved this problem by scheduling it at the same time as a mandatory course in the same subject. Who needs enemies when you have colleagues? 😅 010
Reposted by Mark HopwoodKarin Kvale @kkvale.bsky.social · 22/09/2026Very glad to see this decision not to bend the rules for this secretive company exploiting partnership with government researchers for false credibilityrnz.co.nzStart-up Gigablue denied law change to push ahead with controversial marine carbon storageAn international start-up wanting to carry out controversial carbon storage research in New Zealand waters has had its request for regulation changes turned down. 2296
Mark Hopwood @markinchina.bsky.social · 23/09/2026Early in all postgraduate classes I get students to comment on each other's writing/presentations: "How much of this content do you understand?" When told to present to a BSc educated audience, students often overestimate comprehension (on average students understand 50-75% of each other's work). 010
Reposted by Mark HopwoodDavid Ho @davidho.bsky.social · 22/09/2026If the UN Secretary-General can’t motivate world leaders to action on climate, who can? 🤷🏻♂️theguardian.comOutgoing UN chief says polluters have treated atmosphere like an ‘open sewer’António Guterres laments world leaders’ inaction and says oil and gas firms ‘must pay’ for climate devastation 318055
Reposted by Mark HopwoodAGU (American Geophysical Union) @agu.org · 16/09/2026AGU's volunteer peer reviewers help advance the Earth and space sciences and maintain the integrity and accountability of the scientific record. 🚀 If you are interested in joining AGU's pool of reviewers, please fill out our interest form: bit.ly/4yx8H8L #PRW2026 #AGUPubs #PeerReviewWeek 049
Reposted by Mark HopwoodJGR: Oceans @jgroceans.bsky.social · 22/09/2026Impactful datasets are one of the foundations upon which quality @agu.org science is built. Today @aguadvances.bsky.social releases the "Impactful Datasets" collection, highlighting datasets through the dimensions of People, Planet, and Prosperity. agupubs.onlinelibrary.wiley.com/doi/10.1029/...agupubs.onlinelibrary.wiley.comImpactful Datasets in Earth, Space, and Environmental Sciences: Highlighting the Data That Transform ResearchAmerican Geophysical Union announces the new living collection “Impactful Datasets in Earth, Space, and Environmental Sciences” Nominators submit datasets impactful to their work along with perso... 193
Reposted by Mark HopwoodBrent Toderian @brenttoderian.bsky.social · 21/09/2026“Air pollution fell substantially as Paris restricted car traffic and made way for parks, people-streets and bike-lanes.” Better for the climate, better for health, better for livability and quality of life. Common sense. Such a no-brainer, it’s remarkable that more cities HAVEN’T done the same.washingtonpost.comParis said au revoir to cars. Air pollution maps reveal a dramatic change.Air pollution fell substantially as the city restricted car traffic and made way for parks and bike lanes. 627680
Reposted by Mark HopwoodDoc Sportello ❌👑 @digyoursoul.bsky.social · 20/09/2026Iceland is moving to end commercial whaling permanently. That would leave just Japan & Norway as the 2 nations which legally allow whaling uk.whales.org/2026/09/11/i...uk.whales.orgIcelandic government to introduce bill to end whaling - Whale and Dolphin Conservation 32977293
Mark Hopwood @markinchina.bsky.social · 18/09/2026Let's not take sides. Let's listen carefully to those committing genocide about how they feel. Let's listen carefully to the 21,000 children they murdered. Then let's all hold hands and make sure nobody feels uncomfortable. #FreePalestine #Gaza #Genocide palestine.un.org/en/317244-is...palestine.un.orgIsraeli violence is subjecting Palestinian children to catastrophic levels of harm: killed, maimed, displaced, and living in perpetual insecuritySam is one of 241 children killed by Israeli security forces and settlers in the occupied West Bank since 7 October 2023, as verified by the UN Human Rights in the Occupied Palestinian Territory (OHCH... 022
Mark Hopwood @markinchina.bsky.social · 17/09/2026There's a lot publicity surrounding negative CO2 emissions, or CO2 removal technology. It's extremely important that we do not forget the basics. As long as humanity is putting gigatons of CO2 into the atmosphere annually from fossil fuels, cutting those emissions is the number 1 priority -by far 🌊 010
Mark Hopwood @markinchina.bsky.social · 17/09/20264 science journalists wanted to discuss the ocean in a changing climate. 4/4 linked the idea of removing CO2 from the atmosphere to "solving climate change". 0/4 understood that this is meaningless without cutting fossil fuels. The concept of #NegativeCO2 is being dangerously miscommunicated 🌊 111
Mark Hopwood @markinchina.bsky.social · 16/09/2026This week I appeared not once, not twice, but three times on TV 😅 Yesterday our 2024 polar work was broadcast on "Cutting edge science". In a 20 minute documentary we answer questions about the fate of pollutants like Pb and Hg in the ocean 🌊 000
Mark Hopwood @markinchina.bsky.social · 14/09/2026Just got mistaken for a new PhD student on campus. I'm 37 😅. Either I've discovered the fountain of youth, or someone needs a new glasses prescription. 😅 #ForeverYoung 000
Reposted by Mark HopwoodInteractiveOceans @ooi-cabledarray.bsky.social · 12/09/2026Crabs!!! In a slight change of pace from the shark content, we also saw a tiny crab hiding in a fuzzy, bacteria-covered extinct vent and spider crabs walking through a giant field of chemosynthetic clams at Axial Caldera International District Vent Field. 🚢🧪🌊 Credit: UW/NSF-OOI/WHOI; J2-1788; V26 2317
Mark Hopwood @markinchina.bsky.social · 12/09/2026One of the greatest stickers in my Wechat collection 🌊 031
Mark Hopwood @markinchina.bsky.social · 12/09/20263 years ago we started taking our new students to kayak and sail; combining outreach, sports and inshore science observations. Last year 30 students signed up. This year >300 students signed up in 24 hours (10% of all SUSTech's new undergraduates) 😅 Making ocean science great again! 🌊 0111
Mark Hopwood @markinchina.bsky.social · 12/09/2026'Crazy Thursday' in China is a popular discount by KFC, so every Thursday many students can be seen tucking into deep fried chicken. This Thursday was also Teachers' Day, so the largest takeout order I've seen was delivered for our staff and students to celebrate together 🍗 😅 001
Mark Hopwood @markinchina.bsky.social · 11/09/2026Whenever I have to deal with micromanagers who insist on reports for everything, I reply to every irrelevant question with NSTR ("nothing significant to report"). Reports get finished quickly. I'm happy. They're not happy. I don't care. 010
Mark Hopwood @markinchina.bsky.social · 11/09/2026One of my friends when I was a student was often in tears. Their boss insisted on a detailed report every week on their progress. If the report was late, they were shouted at. I would be suprised if these weekly reports achieved anything other than wasting 10% of the group's time. 110
Reposted by Mark HopwoodRuth Mottram @ruthmottram.eurosky.social · 09/09/2026Publication day! Our finalised paper on melange processes at Greenland glacier fronts is out now! I wrote about what we did, what we found and what it means for Greenland ice sheet retreat..sternaparadisaea.netA jumble of broken ice, and what it means for Greenland’s calving glaciers.Ice mélange — sometimes known as sikussaq in Greenlandic — is that chaotic jumble of icebergs, bergy bits and sea water that sits in front of marine-terminating glaciers. It’s been described … 13914
Mark Hopwood @markinchina.bsky.social · 10/09/2026Indeed. The 3rd most used currency in the world. But you may find also it commonly referred to as 'yuan' in English. 100
Mark Hopwood @markinchina.bsky.social · 10/09/2026There are Easter Eggs scattered throughout the course materials I teach. Some years nobody finds them 😅! Other years some students quickly figure out there are prizes for reading carefully. (And others sit there in class wondering what on Earth is going on...) #AcademicChatter 231
Mark Hopwood @markinchina.bsky.social · 09/09/2026A long-overdue statement from the UK Foreign Secretary finally recognizing that ethnic cleansing is happening in Palestine www.bbc.com/news/article...bbc.comPaul Adams: British-Israeli relations at lowest ebb in decadesIsrael's response to London's trade ban with Israeli settlements in the occupied West Bank shows how important this moment is. 000
Mark Hopwood @markinchina.bsky.social · 08/09/2026A nice piece in @jgroceans.bsky.social looking at the effects of meltwater on carbonate chemistry in Svalbard. Glaciers not only dilute TA but can also induce strong vertical mixing which alters DIC:TA 🐻❄️ 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...agupubs.onlinelibrary.wiley.comRadiocarbon and Stable Carbon Isotopes Constrain Rapid Mixing and Deep Meltwater Influence on Dissolved Inorganic Carbon in an Arctic FjordDissolved inorganic carbon (DIC) correlates with salinity in Kongsfjorden, reflecting the influence of freshwater inputs Δ14C and δ13C measurements of DIC show weak vertical gradients in Kongsfjo... 034
Mark Hopwood @markinchina.bsky.social · 08/09/2026Imagine running a school where children are regularly shot at by religious extremists trying to intimidate families to leave their land and homes. Three students from this school were murdered this year by Israeli settlers. www.bbc.com/news/article...bbc.comPalestinian parents fear for children's lives at school as settler attacks growA headteacher in the occupied West Bank has installed new barbed wire fencing after three pupils were killed this year. 001