Why Does Rain Have a Smell? The Science Behind the Scent of Wet Earth
The earthy smell after a summer shower seems to come from the water itself. The drop, however, has almost no a...
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79 years since the United States Air Force became an independent service
On 18 September 1947, US military aviation ceased to be an internal branch of the Army. The National Security...
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175 years since the first edition of The New York Times was published
On 18 September 1851 a four-page newspaper went on sale in New York for one cent under the name The New-York D...
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Latin America accounted for 85% of environmental-defender killings in 2025
At least 124 people defending land, forests, water and communities were killed in 2025, according to Global Wi...
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OpenAI publishes six cases of unexpected AI model behaviour
On 16 September 2026 OpenAI published an internal framework for tracking, investigating and disclosing cases o...
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167 years since Joshua Norton proclaimed himself “Emperor of the United States”
17 September 2026 marks 167 years since Joshua Abraham Norton published the proclamation declaring himself “No...
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Eight years since the first hydrogen-powered passenger trains entered service
17 September 2026 marks eight years since the first hydrogen-powered passenger trains entered commercial servi...
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87 years since Taisto Mäki ran the first sub-30-minute 10,000 metres
17 September 2026 marks 87 years since Finland’s Taisto Mäki became the first athlete to complete 10,000 metre...
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World Cultural Festival brings international music and dance to downtown Valparaiso, Indiana
Valparaiso International Center holds its World Cultural Festival on Sunday, 20 September, at Central Park Pla...
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UCI Worlds in Montréal open with the Women Elite individual time trial
The UCI Road World Championships begin in Montréal on Sunday, 20 September, with the Women Elite individual ti...
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Lab-grown human brain tissue has been integrated into mouse brains
A Stanford Medicine team led by neuroscientist Sergiu Pașca transplanted human cortical organoids into mice ge...
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NASA spacecraft identifies a new lunar crater about 222 metres wide
NASA’s Lunar Reconnaissance Orbiter, which has studied the Moon since 2009, has identified a recently formed i...
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Why Arctic sea ice does not simply follow the wind: researchers point to collisions between ice floes
Arctic sea ice does not simply follow the wind, according to a University of California, Riverside-led study p...
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Food Temple 2026 brings Morocco to central Paris through food, music and culture
Paris’s Carreau du Temple hosts a new edition of Food Temple, devoted in 2026 to Morocco and the connections b...
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Fine Arts Paris brings around 100 galleries to the Grand Palais from 19 to 23 September
The Grand Palais hosts the 2026 edition of Fine Arts Paris from 19 to 23 September, bringing together around o...
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WHO, ITU and WIPO bring experts to Hangzhou to advance responsible AI in health
The World Health Organization, the International Telecommunication Union and the World Intellectual Property O...
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Von der Leyen urges caution at the AI frontier as self-improving models raise new risks
Artificial intelligence took a central place in the State of the Union address delivered on 16 September 2026...
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WHO: 1.9 million people live with dementia in Africa as annual cost reaches an estimated $15.6 billion
About 1.9 million people are living with dementia in the World Health Organization’s African Region, and the a...
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Zuckerberg rejects a coordinated AI slowdown, saying labs already have incentives to build safely
Mark Zuckerberg, Meta’s chief executive, has argued against a coordinated slowdown in artificial-intelligence...
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Why are the Parthenon’s lines curved? An Oxford mathematician challenges the classic “optical correction” story
The Parthenon in Athens is famous not only for its proportions but also because lines that look straight are n...
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Nearly 1.4 million butterflies and moths counted in Britain, but bumper summer may hide a risk for 2027
Britain’s hot, sunny summer of 2026 put plenty of butterflies in gardens, and the Big Butterfly Count recorded...
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airBaltic wins initial Chapter 11 approval and access to first portion of €350 million financing
airBaltic has received initial approval from a US bankruptcy judge to continue its restructuring under Chapter...
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Memory crunch hits smaller phone and laptop makers as industry braces for shortages into 2027
Smaller phone and laptop makers are preparing for a prolonged stretch of tight memory supply as demand for AI...
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UK workers spend nearly £1 billion of their own money each year on AI tools for work
UK workers collectively spend close to £1 billion a year of their own money on generative AI tools they use fo...
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196 years since the Liverpool–Manchester Railway opened: the line that helped launch the modern railway age
Today, 15 September 2026, marks 196 years since the opening of the Liverpool and Manchester Railway, an event...
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86 years since the decisive day of the Battle of Britain: how the RAF stopped the Luftwaffe offensive on 15 September 1940
On 15 September 1940, the sky above Britain became the scene of one of the most important air battles in histo...
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Some companies are moving production back to China after attempts to avoid US tariffs in India and Vietnam
Some companies that shifted production and sourcing away from China towards India, Vietnam and other Asian man...
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Oil jumps above $107 as attacks on Saudi infrastructure and Strait of Hormuz tensions rattle markets
Oil prices rose sharply on Monday, 14 September 2026, after a fresh round of attacks that hit energy infrastru...
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AI leaders call for slower development as tech stocks fall after safety warnings
An unusual call from inside the artificial intelligence industry triggered a reaction across financial markets...
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257 years since Alexander von Humboldt's birth: the scientist who changed the way we see nature
Alexander von Humboldt was born in Berlin on 14 September 1769. In 2026 it is 257 years since the birth of one...
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44 years since Grace Kelly's death: the Oscar-winning actress who left Hollywood to become Princess of Monaco
On 14 September 1982 the cinema world and the Principality of Monaco lost one of the best-known figures of the...
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267 years since the Battle of the Plains of Abraham, the clash that changed Quebec's future
On the morning of 13 September 1759 two European armies met near Quebec City in a battle that would decisively...
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