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Ultrarunner Ruth Croft from New Zealand celebrates her victory after winning the 22nd edition of the Ultra-Trail du Mont-Blanc (UTMB) in the women’s category on 30 August 2025 in Chamonix, Haute-Savoie. The UTMB is a 174-kilometre trail race crossing France, Italy and Switzerland. Jeff Pachoud/AFP

Ultra‑trail running: why women excel yet remain under‑represented

Why are women still under-represented in trail and mountain running even though they excel over very long distances?
Hiraman/Getty

Why do I keep getting mouth ulcers?

These annoying and painful little sores tend to resolve on their own. But if they don’t – or you have any of these other symptoms – it could be time to seek help.
A patient wearing the Argus II retinal prosthesis system. Alamy/Lyndsey Bauman

How bionic eyes are becoming a reality

Researchers are steadily developing more and more capable devices for restoring vision to people with blindness.

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