The real mystery behind Moana: after 1,700 years, why did Polynesians suddenly sail east?

The same question drives both the plot of Moana and decades of archaeological research: why, after centuries of relative stability, did Polynesian voyagers suddenly begin settling islands thousands of kilometres away across the Pacific? The latest Moana movie is a live-action adaptation of a Disney animated movie of the same name. While the films are […]

Hummingbirds and pineapples: why this ancient relationship hits the evolutionary sweetspot

kirkchai benjarusameeros/Shutterstock High above the rainforest floor, tiny ponds form in the leaves of plants perched on tree branches. Frogs breed in these ponds, alongside insects, microbes and even tiny crustaceans, creating miniature ecosystems suspended high in the canopy. These are the bromeliads – the remarkable plant family that also gave us air plants, the […]

How Iran used Ali Khamenei’s funeral as a political and diplomatic tool

Ali Khamenei, who served as Iran’s supreme leader until his assassination in a US-Israeli operation in February 2026, will finally be laid to rest today. His burial brings a week of public mourning ceremonies and processions to an end, and comes as hostilities between the US and Iran are escalating again. Islamic tradition calls for […]

Football headers: growing evidence suggests this skill is damaging to brain health

Whether it’s at practice or during a Fifa World Cup match, football players could unknowingly be putting their brain health at risk every time they take to the field. Studies suggest that retired football players have a higher risk of developing dementia, particularly Alzheimer’s disease, compared to the general population. It’s currently thought that this […]

Heatwaves: why British trees are shedding branches and dying

British trees are struggling to survive in heatwaves. Forests like these are likely to be affected. Billy Stock/Shutterstock If you visit the Royal Botanic Gardens at Kew, on the edge of London, you will see a brightly painted skeleton of a dead oak tree. The tree, known as the climate changed oak, succumbed in the […]

How new technology ensures the Titanic story endures

The continued reinvention of the Titanic across television, immersive exhibitions, virtual reality and theatre suggests the emergence of what might be called a “Titanic signature”. This is a recognisable way of retelling the disaster that repeatedly combines familiar characters, dramatic moments, emotional themes and immersive experiences. Rather than simply recounting history, each new version reworks […]

How can you be tired yet wired? Blame your stone-age brain

Kinga Howard/Unsplash, CC BY The clock reads 2:13am. You are exhausted. Your eyes ache, your body feels heavy and the alarm is already beginning to loom over the night, yet your brain refuses to let go. Instead, thoughts arrive in waves. Did you send that email? What if you forgot something important? Perhaps now is […]