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RB Kollannur

@arby-k.bsky.social
96 followers 136 following 2.4K posts

Career - Finance, Data. Interests - History, Genealogy, Astronomy. Rotarian, JCI Senator. Unseen in Plain Sight.

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RB Kollannur @arby-k.bsky.social · 5h
Sallust’s Mithridates is dangerous, but he is also perceptive. He understands Rome as a power that subsumes its rivals, first through conquest and then through the rewriting of their stories. Mithridatism and the Myth of Poison Immunity antigonejournal.com/2026/09/mith...
antigonejournal.com
Mithridatism and the Myth of Poison Immunity
ISABELLA ZELTSER From Pontic Pharmaka to Modern Toxicology
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RB Kollannur @arby-k.bsky.social · 16h
On 10 and 11 December 1848, France held its first presidential election. The turnout was high (75 per cent) and the result stunning. He was head of state for nearly 22 years, longer than either his uncle or Charles de Gaulle. Be careful of the buffoon www.lrb.co.uk/the-paper/v4...
lrb.co.uk
David Todd · Be careful of the buffoon: Louis Napoleon’s Fall
Hegelians will admire the encapsulation of the era’s contradictions in a single individual. Most of us will be puzzled...
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RB Kollannur @arby-k.bsky.social · 17h
The ancestors of today's Indigenous people arrived in the Americas during the coldest part of the last ice age, study suggests www.livescience.com/archaeology/...
livescience.com
The ancestors of today's Indigenous people arrived in the Americas during the coldest part of the last ice age, study suggests
The first people in the Americas arrived no earlier than 21,000 years ago, but 'there are huge gaps in our genetic dataset,' a new study reports.
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RB Kollannur @arby-k.bsky.social · 02/10/2026
The 'most tragic moment' in The Lord of the Rings www.bbc.com/culture/arti...
bbc.com
'Good often does evil': JRR Tolkien on 'the most tragic moment' in The Lord of the Rings
In 1968, the BBC broadcast extracts from JRR Tolkien's last ever recorded interview, 31 years after The Hobbit was published. In 2019, the full video was unearthed from the archive.
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RB Kollannur @arby-k.bsky.social · 02/10/2026
A young prince on the throne, age 2, with fight for regency, A defeated king, routed in battle and still surrounded by enemies and, Emerging victorious in the end. Story in the evening ... bsky.app/profile/arby...
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RB Kollannur @arby-k.bsky.social · 01/10/2026
In Company Style: Illustrations from James Skinner’s Kitāb-i tashrīḥ al-aqvām (1825) publicdomainreview.org/collection/j...
publicdomainreview.org
In Company Style: Illustrations from James Skinner’s *Kitāb-i tashrīḥ al-aqvām* (1825)
An illuminated Persian manuscript about customs, culture, and caste, written by an enigmatic figure of the early British Raj.
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RB Kollannur @arby-k.bsky.social · 01/10/2026
What happens when neutrinos swap identities inside a supernova? arstechnica.com/science/2026...
arstechnica.com
What happens when neutrinos swap identities inside a supernova?
Identity-fluid particles may carry some energy out, leading to direct collapse.
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RB Kollannur @arby-k.bsky.social · 30/09/2026
The tomb dates to the reign of King Djedkare Isesi, who ruled near the end of the Fifth Dynasty. Senior judge’s tomb with colorful funerary scenes uncovered at Saqqara in Egypt archaeologymag.com/2026/09/late...
archaeologymag.com
Senior judge’s tomb with colorful funerary scenes uncovered at Saqqara in Egypt | Archaeology News Online Magazine
A Spanish-Egyptian team uncovered a late Fifth Dynasty tomb with colorful reliefs and two funerary chapels at Saqqara in Egypt.
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RB Kollannur @arby-k.bsky.social · 30/09/2026
The site lies on a sandy terrace near the Peretna River in the Okulovsky District of Russia’s Novgorod region. Mesolithic workshop shows advanced toolmaking www.heritagedaily.com/2026/08/meso...
heritagedaily.com
Mesolithic workshop shows advanced toolmaking
Archaeologists excavating a Mesolithic site in north-western Russia have found thousands of stone tools, blanks and manufacturing fragments, providing evidence of an extensive tool-making centre datin...
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RB Kollannur @arby-k.bsky.social · 30/09/2026
An AI model has found a new ‘CRISPR-like’ biological system. Here’s what it means for science theconversation.com/an-ai-model-...
theconversation.com
An AI model has found a new ‘CRISPR-like’ biological system. Here’s what it means for science
After coding, mathematics and chatbots, AI companies are setting their sights on the messy world of biology.
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RB Kollannur @arby-k.bsky.social · 30/09/2026
Archaeologists have unearthed 4,000-year-old defensive walls in Morocco that are the oldest structures of their kind in North Africa outside the Nile Valley. Africa's oldest known defensive wall outside Egypt discovered, and it's 4,000 years old www.livescience.com/archaeology/...
livescience.com
Africa's oldest known defensive wall outside Egypt discovered, and it's 4,000 years old
An elaborate 4,000-year-old defensive wall was discovered in Morocco, and it once protected a thriving farming hub, archaeologists say.
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RB Kollannur @arby-k.bsky.social · 30/09/2026
It was found in the Early Cretaceous Jiufotang Formation in northeastern China, which dates to between 145 million and 100 million years ago. Remarkably preserved feathered dinosaur discovered in China reveals new secrets of flying predator evolution www.livescience.com/animals/dino...
livescience.com
Remarkably preserved feathered dinosaur discovered in China reveals new secrets of flying predator evolution
A newly discovered feathered dinosaur named Norellraptor barsboldi had sharply curved teeth and claws, as well as four wings, and it adds evidence to the idea that flight evolved several times in diff...
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RB Kollannur @arby-k.bsky.social · 29/09/2026
The results suggest that the Funnelbeaker communities adopted a form of rotational land use and avoided large-scale burning to clear forests for agriculture. Study finds neolithic tomb builders preserved prehistoric forests through sustainable land use www.heritagedaily.com/2026/06/stud...
heritagedaily.com
Study finds neolithic tomb builders preserved prehistoric forests through sustainable land use
Neolithic communities that built some of Europe's largest monumental tombs more than 5,600 years ago managed their environment sustainably rather than destroying prehistoric forests, according to new ...
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RB Kollannur @arby-k.bsky.social · 29/09/2026
It is curious to see the parallel of Sumerian, Latin and Sanskrit languages. substack.com/@historyhit/...
substack.com
Fall of the Sumerians
Tristan Hughes continues our special series on Great Disasters, journeying back to ancient Mesopotamia with Dr Paul Collins to explore the fall of the Sumerians.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
Medieval England’s farmers shifted from draught cattle to sheep and wool as demand changed archaeologymag.com/2026/09/medi...
archaeologymag.com
Medieval England’s farmers shifted from draught cattle to sheep and wool as demand changed | Archaeology News Online Magazine
A study of 460 medieval sites traces how cattle, sheep, wool, meat, milk, and horses reshaped England’s farming economy.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
Archaeologists have found the remains of horse stables, such as those at ancient Egyptian capital of Pi-Ramesses, but horse remains have been scarce 3,000-year-old burial of ancient Egyptian horse found — and a nearby stone carving depicts a captured prisoner www.livescience.com/archaeology/...
livescience.com
3,000-year-old burial of ancient Egyptian horse found — and a nearby stone carving depicts a captured prisoner
Archaeologists unearthed a horse burial dating back more than three millennia in an ancient Egyptian fortress.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
'Nothing short of a minor miracle': 'Rusty treasure' found in the Danube is full of 2,200-year-old iron bars that could equip an entire army with weapons www.livescience.com/archaeology/...
livescience.com
'Rusty treasure' found in Danube has 2,000-year-old iron that could equip a whole army with weapons
Archaeologists in Austria have analyzed a collection of 500 iron bars that were likely lost in a Danube shipwreck 2,200 years ago.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
Bulgaria has reached an agreement with Greece to return the remains of Tsar Samuel to Sofia that were discovered by the Greek archaeologist Nikolaos Moutsopoulos in 1965 in the ruined Basilica of St Achillios on an island in Lake Prespa peterfrankopan.substack.com/p/the-return...
peterfrankopan.substack.com
The return of a Tsar: Samuel comes home
One of my niche specialist topics is golden age Bulgaria - from Khan Krum up to the end of the Second Bulgarian Empire.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
Ancient DNA reveals wealth and power mattered more than family in Xiongnu burials in Mongolia archaeologymag.com/2026/06/dna-...
archaeologymag.com
Ancient DNA reveals wealth and power mattered more than family in Xiongnu burials in Mongolia | Archaeology News Online Magazine
Ancient DNA from a Xiongnu cemetery in Mongolia shows wealth, status, and power shaped burials more than family ties.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
The agreement, known as the Treaty of Kadesh, was signed around 1269 B.C. by Egyptian pharaoh Ramesses II and Hittite king Hattusili III. Fragment of world's oldest peace treaty unearthed in Turkey www.livescience.com/archaeology/...
livescience.com
'We have found traces of peace, thousands of years old': Fragment of world's oldest known peace treaty found in Turkey
Archaeologists excavating in the ancient Hittite capital of Hattusha have uncovered a fragment of the world's oldest peace treaty, signed around 1269 B.C.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
Ancient genomes reveal how migration and diet shaped the ancestors of modern Japanese people archaeologymag.com/2026/08/geno...
archaeologymag.com
Ancient genomes reveal how migration and diet shaped the ancestors of modern Japanese people | Archaeology News Online Magazine
Two ancient genomes from Japan reveal migration, population change and starch-related genetic traits before and during the Yayoi period.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
The real mystery behind Moana: after 1,700 years, why did Polynesians suddenly sail east? theconversation.com/the-real-mys...
theconversation.com
The real mystery behind Moana: after 1,700 years, why did Polynesians suddenly sail east?
New evidence suggests a massive centuries-long drought may be part of the answer.
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RB Kollannur @arby-k.bsky.social · 29/09/2026
Two Thousand Years Ago, Julius Caesar Conquered the Settlement That Eventually Became Paris. Archaeologists May Have Just Found It www.smithsonianmag.com/smart-news/t...
smithsonianmag.com
Two Thousand Years Ago, Julius Caesar Conquered the Settlement That Eventually Became Paris. Archaeologists May Have Just Found It
While conducting excavations at a hospital on the Île de la Cité, in the Seine River, researchers discovered part of a wall that may have once protected Lutetia, the Gallic precursor to France’s capit...
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RB Kollannur @arby-k.bsky.social · 29/09/2026
Where Did Bats Originate? Huge Genetic Study May Have Settled the Longstanding Debate and Rewritten the Creatures’ Evolutionary Tree www.smithsonianmag.com/smart-news/w...
smithsonianmag.com
Where Did Bats Originate? Huge Genetic Study May Have Settled the Longstanding Debate and Rewritten the Creatures' Evolutionary Tree
The flying mammals likely arose 65 million years ago in Europe, before spreading to Africa and then the rest of the world, according to the new research
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RB Kollannur @arby-k.bsky.social · 28/09/2026
Funny story - I always read Václav with "c" as "k". Good King Václav dannylbate.substack.com/p/good-king-...
dannylbate.substack.com
Good King Václav
For the Czechs, he is saintly duke Václav, but in the Christmas carol, he is Wenceslas – with a linguistically interesting extra N.
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RB Kollannur @arby-k.bsky.social · 28/09/2026
Does dark energy really exist? Our work identifies cracks in the foundations of today’s cosmological model theconversation.com/does-dark-en...
theconversation.com
Does dark energy really exist? Our work identifies cracks in the foundations of today’s cosmological model
The expansion of the universe may not in fact be accelerating, calling dark energy into question.
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RB Kollannur @arby-k.bsky.social · 28/09/2026
A strange LIGO signal could reveal the missing link behind dark matter www.sciencedaily.com/releases/202...
sciencedaily.com
A strange LIGO signal could reveal the missing link behind dark matter
An unusual gravitational wave signal has renewed hopes that primordial black holes, long considered purely theoretical, may finally be within reach of discovery. If confirmed, they could solve one of ...
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RB Kollannur @arby-k.bsky.social · 28/09/2026
My newsletter is up with a dash of books, history and science. This week, I have a look at The Crusades Through Arab Eyes by Amin Maalouf. Primarily sourced from Arab writers of the time, it gives a new perspective on the Crusades. disjointedlaptop.substack.com/p/a-view-fro...
disjointedlaptop.substack.com
A View From My Disjointed Laptop - Issue #174
Books, History, Science and more
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RB Kollannur @arby-k.bsky.social · 24/09/2026
A saintly noble heading a march into the frontier, A mature guide to command the forces of a young king and, A nation in creation still searching for its independence. Story in the evening ... bsky.app/profile/arby...
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RB Kollannur @arby-k.bsky.social · 24/09/2026
On average, people around the world have seven copies of the amylase gene, but Indigenous Andeans in Peru possess an average of 10 copies. Thanks to natural selection, Indigenous Andeans may digest potatoes better than anyone else in the world, study finds www.livescience.com/archaeology/...
livescience.com
Thanks to natural selection, Indigenous Andeans may digest potatoes better than anyone else in the world, study finds
After domesticating potatoes 10,000 years ago, the ancient people of the Andes evolved to have more copies of a key gene involved in digesting starch.
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RB Kollannur @arby-k.bsky.social · 22/09/2026
Experts who have looked at the DNA of the bacterium, say it picked up some genetic material from other bugs found naturally in the throats of some people. Scientists discover why Kent meningitis outbreak was so severe www.bbc.com/news/article...
bbc.com
Scientists discover why Kent meningitis outbreak was so severe
The bacteria responsible picked up some new genetic material, say experts.
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RB Kollannur @arby-k.bsky.social · 22/09/2026
When a particle travels faster than light can in water, its shockwave emits a characteristic glow called Cherenkov radiation, the blue light seen in nuclear reactors. Physicist does the math on Star Trek’s “Picard maneuver” arstechnica.com/science/2026...
arstechnica.com
Physicist does the math on Star Trek’s “Picard maneuver”
The trick from Next Generation would be even more effective in real life.
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RB Kollannur @arby-k.bsky.social · 21/09/2026
Medieval Castle in Germany Reveals Its Early Origins www.medievalists.net/2026/09/medi...
medievalists.net
Medieval Castle in Germany Reveals Its Early Origins - Medievalists.net
Archaeologists at Loburg Castle in Germany have uncovered early medieval fortifications, pottery and other finds dating back to the 9th and 10th centuries.
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RB Kollannur @arby-k.bsky.social · 21/09/2026
Archaeologists excavating a medieval settlement in northwestern Russia have unearthed an unusual 11th-century pendant that combines Christian and pagan imagery. 1,000-year-old 'snake amulet' featuring a Christian saint and 'Medusa' discovered in Russia www.livescience.com/archaeology/...
livescience.com
1,000-year-old 'snake amulet' featuring a Christian saint and 'Medusa' discovered in Russia
Archaeologists discovered the two-sided pendant, which features a snake-slaying saint and a snake-haired woman, during an excavation in northwestern Russia.
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RB Kollannur @arby-k.bsky.social · 20/09/2026
An 'impossible' black hole merger may finally be solved thanks to Einstein's relativity — but it raises an even bigger mystery www.livescience.com/space/astron...
livescience.com
An 'impossible' black hole merger may finally be solved thanks to Einstein's relativity — but it raises an even bigger mystery
New research suggests that a perplexing signal created by a pair of colliding black holes may have been warped by a space-time phenomenon known as gravitational lensing. This theory could finally expl...
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RB Kollannur @arby-k.bsky.social · 20/09/2026
Using the SDC, the researchers demonstrated more than 700 computations across their experiments. Scientists build a DNA computer that can perform calculations in a drop of water www.livescience.com/technology/c...
livescience.com
Scientists build a DNA computer that can perform calculations in a drop of water
This programmable DNA computer can perform arithmetic without the continuous energy input needed by other systems.
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RB Kollannur @arby-k.bsky.social · 20/09/2026
They aimed to gauge the ancient roads’ straightness and composition, which cities they connected and whether they remain in use. Researchers Have Analyzed the Roman Empire’s 190,000-Mile Network of Roads. Turns Out, Not All of Them Led to Rome www.smithsonianmag.com/smart-news/r...
smithsonianmag.com
Researchers Have Analyzed the Roman Empire’s 190,000-Mile Network of Roads. Turns Out, Not All of Them Led to Rome
For a new study, archaeologists attempted to answer age-old questions about Rome’s roads, including how connected the capital was and whether current motorways trace Roman routes
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RB Kollannur @arby-k.bsky.social · 20/09/2026
The study doesn’t prove that Venus once had a moon. Rather, it suggests that if one ever existed, it wouldn’t have stuck around for long. Billions of Years Ago, Venus May Have Had a Moon—Which the Planet Promptly Gobbled Up, Study Suggests www.smithsonianmag.com/smart-news/b...
smithsonianmag.com
Billions of Years Ago, Venus May Have Had a Moon—Which the Planet Promptly Gobbled Up, Study Suggests
Scientists have puzzled over why the planet dubbed "Earth's twin" doesn't have a moon. Computer simulations hint that if Venus ever did have one, it probably would've cannibalized its companion
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RB Kollannur @arby-k.bsky.social · 20/09/2026
The annual opera festival at the Arena di Verona – an ancient Roman amphitheatre built around 30 AD to seat 30,000 spectators – is a sight to behold. The grandeur of Verona’s open-air opera The grandeur of Verona’s open-air opera engelsbergideas.com/reviews/the-...
engelsbergideas.com
The grandeur of Verona's open-air opera
Opera in Verona's ancient amphitheatre, open to the night sky, is a spectacle to be savoured.
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RB Kollannur @arby-k.bsky.social · 20/09/2026
Researchers found evidence of millet eating in southeastern Poland around 1590 BCE. The study links millet use to changes in how people used the land. How a new crop reshaped land use in Bronze Age Europe archaeologymag.com/2026/09/how-....
archaeologymag.com
How a new crop reshaped land use in Bronze Age Europe | Archaeology News Online Magazine
New evidence dates millet consumption in Bronze Age Poland to 1590 BCE, showing how people gradually adopted the resilient crop.
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RB Kollannur @arby-k.bsky.social · 18/09/2026
New evidence shows that an asteroid about 160 meters wide struck the seabed roughly 43 to 46 million years ago. A massive asteroid slammed into the North Sea and triggered a 330-foot tsunami www.sciencedaily.com/releases/202...
sciencedaily.com
A massive asteroid slammed into the North Sea and triggered a 330-foot tsunami
Scientists have finally confirmed the origin of the mysterious Silverpit Crater beneath the North Sea. New evidence shows that an asteroid about 160 meters wide struck the seabed roughly 43 to 46 mill...
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RB Kollannur @arby-k.bsky.social · 18/09/2026
Body feathers play a major role in keeping birds warm. 66-million-year-old feather in dinosaur poop may reveal why birds survived the asteroid www.sciencedaily.com/releases/202...
sciencedaily.com
66-million-year-old feather in dinosaur poop may reveal why birds survived the asteroid
A feather discovered inside 66-million-year-old fossilized dinosaur poop may help explain why modern birds survived the asteroid catastrophe. The extinct bird it came from had more primitive insulatin...
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RB Kollannur @arby-k.bsky.social · 18/09/2026
The team conducted more than 4,400 kilometres of airborne LiDAR surveys over the Brazilian states of Acre and Amazonas. LiDAR survey reveals vast Pre-Columbian civilisation www.heritagedaily.com/2026/07/lida...
heritagedaily.com
LiDAR survey reveals vast Pre-Columbian civilisation
Researchers have uncovered evidence of a vast pre-colonial civilisation that flourished across southwestern Amazonia, identifying more than 20,000 monumental earthworks hidden beneath the rainforest c...
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RB Kollannur @arby-k.bsky.social · 18/09/2026
A crumbling empire, overrun by mercenaries and a princess stemming the tide, stabilizing an empire to last for centuries. Story in the evening ... bsky.app/profile/arby...
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RB Kollannur @arby-k.bsky.social · 17/09/2026
Rotary Talks at home club - On the Little Countries of Europe - Covered the origin stories of Monaco, Liechtenstein and Luxembourg
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RB Kollannur @arby-k.bsky.social · 17/09/2026
According to Torben Sarauw, the new Rebild hoard is also interesting because it is dominated by ingots, jewellery and hacksilver, while coins account for only a very small proportion of its total weight. Was the Viking Treasure Owned by Hutu? www.medieval.eu/was-the-viki...
medieval.eu
Was the Viking Treasure Owned by Hutu?
How should we understand the Runic inscription on a silveringot discovered in the spectacular hoard recently discovered at Rebild?
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RB Kollannur @arby-k.bsky.social · 16/09/2026
One of the most significant discoveries is a large settlement dating to the Early Hallstatt period, between about 800 and 650 BC. Gallic enclosure unearthed in France reveals new insights into ancient settlement and community life www.heritagedaily.com/2026/09/gall...
heritagedaily.com
Gallic enclosure unearthed in France reveals new insights into ancient settlement and community life
Archaeologists excavating the site of a planned data centre complex in northern France have uncovered a rare palisaded settlement dating back around 2,800 years, revealing evidence of farming, food st...
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RB Kollannur @arby-k.bsky.social · 16/09/2026
Adults first demonstrate tool use, then hand over the implements to their infants, who copy the behavior. How chimps teach their kids tool tricks arstechnica.com/science/2026...
arstechnica.com
How chimps teach their kids tool tricks
Adults first demonstrate tool use, then hand over the implements to their infants, who copy the behavior.
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RB Kollannur @arby-k.bsky.social · 16/09/2026
According to Körpe, settlers arrived around 80 to 90 years after the abandonment of Troy’s earlier phase. Troy’s 2,800-Year-Old Agora Links the Bronze Age City to Ilion www.anatolianarchaeology.net/troys-2800-y...
anatolianarchaeology.net
Troy’s 2,800-Year-Old Agora Links the Bronze Age City to Ilion | Anatolian Archaeology
Archaeologists at Troy are uncovering a 2,800-year-old agora that reveals how the Bronze Age city developed into the later...
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RB Kollannur @arby-k.bsky.social · 16/09/2026
Norman Sicily is famous for its extraordinary blend of Christian and Islamic architecture, but many of its most distinctive features can be traced to Fatimid Cairo. How Fatimid Cairo Shaped Norman Sicily www.medievalists.net/2026/09/how-...
medievalists.net
How Fatimid Cairo Shaped Norman Sicily - Medievalists.net
Discover how the architecture of Fatimid Cairo influenced the churches, palaces and artistic culture of Norman Sicily during the Middle Ages.
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