What humour means to older people – and why some find it hard to keep on laughing

PeopleImages/Shutterstock For many older people, humour can be a lifeline. It’s not easy to discuss the challenges of ageing – from loneliness and the loss of a loved one to dealing with chronic pain. But laughter can be an invaluable way of opening up about how hard life sometimes feels. “I struggle to get round […]

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China is ready to drive leadership of a low-carbon world – by making the international rules

China is a leader in the electric car market. APiguide/Shutterstock Donald Trump has made it clear he has no intention of playing a global leadership role in green energy or a move towards net zero. While the US president is stepping back and Washington is deregulating its fossil fuel industry, Beijing is stepping up. China […]

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How moss could help roads cope with heavy rain and reduce air pollution

Moss grows slowly and absorbs air pollution. Herzstaub/Shutterstock Across Europe, many banks alongside motorways are planted with grass to stabilise soil and keep roadside landscapes tidy. But there may be a better solution. Already some countries are experimenting with using moss in built-up areas to absorb air pollution. As countries search for nature-based solutions to […]

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Why some people still believe that aliens shaped ancient civilisations

Erich von Däniken proposed that monumental structures such as the pyramids could have been built with help from aliens. Stefan Baumann Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself? The idea that aliens assisted the builders of ancient monuments […]

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Iran war shows how AI speeds up military ‘kill chains’

The US-Israel war on Iran has been described as “the first AI war”. But recent deployments of artificial intelligence are, in fact, the latest in a long history of technological developments that prize a need for speed in the military “kill chain”. “Sixty seconds – that’s all it took,” claimed a former Israeli Mossad agent […]

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Can animals sense earthquakes?

Roomanald/Shutterstock For centuries, unusual animal behaviour before earthquakes has been reported worldwide. Livestock becoming restless, wildlife disappearing and snakes emerging from hibernation in the middle of winter. For a long time, scientists dismissed such observations as folklore. In recent years, however, systematic research has begun to explore whether animals genuinely respond to environmental changes preceding […]

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How big data is transforming what we know about the universe

NSF-DOE Rubin Observatory/AURA/B. Quint Science in the modern era is increasingly reliant on enormous datasets and automated analysis. In astronomy, the Vera C. Rubin Observatory’s Legacy Survey of Space and Time (LSST) – a ten-year survey covering the entire southern sky almost a thousand times over the next decade – will test the limits of […]

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Iran and the Arabian Peninsula depend on desalination plants to survive – why water has become a target

Around 70% of Saudi Arabia’s drinking water comes from desalination plants. In Kuwait and Oman the figure is 90%. Stanislav71/Shutterstock The Gulf region has been defined by oil for decades. Tankers, pipelines and refineries have long been seen as the region’s most critical – and vulnerable – assets. In the past few days, US-Israeli strikes […]

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Deep underground, a telescope may soon detect ghosts of stars that died before Earth existed

Imagine looking up at the night sky and seeing a star suddenly burst into a blaze of light brighter than anything nearby. A flash so bright that it briefly outshines an entire galaxy before fading forever. This violent fate is rare: fewer than about 1% of stars are big enough to end their lives this […]

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Is AI replacing the work of skilled radiologists? They give us their thoughts

Radiology team analysing a scan. Do they think AI could do better? DC Studio /Shutterstock Since the 2010s, breakthroughs in AI have prompted discussion about their implications for work, including a possible “workless” future. Those forecasted to face replacement are no longer only the lower-skilled, but also professionals, once viewed as impervious to technological automation. […]

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