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This week's magazine



Table of contents


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3D1KFDX Luca, an Amur Tiger, being prepared for a CT scan to investigate locomotion abnormalities at the Big Cat Sanctuary near Ashford in Kent. Luca is one of three big cats being scanned at the sanctuary with a mobile unit brought to the site which is the first time it has been tried. Picture date: Monday October 27, 2025.

A tiger gets taken for a CT scan

The four-year-old, called Luca, was one of three big cats to be examined in a mobile CT unit at The Big Cat Sanctuary in Kent for unexplained mobility issues

News

Humans

Denisovans may have interbred with mysterious group of ancient humans

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Space

We may have found a surprisingly nearby cluster of primordial stars

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Health

Magnetic gel could remove kidney stones more effectively

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Environment

COP30: Can Brazil summit get climate negotiations back on track?

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Environment

COP30: What’s on the agenda at the Belém climate summit

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Life

Orcas are ganging up on great white sharks to eat their livers

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Health

Stem cell therapy lowers risk of heart failure after a heart attack

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Space

SpaceX’s Starlink and other satellites face growing threat from sun

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Chemistry

Bulletproof fabric laced with carbon nanotubes is stronger than Kevlar

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Humans

Prehistoric crayons provide clues to how Neanderthals created art

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Humans

Boy’s body was mummified and turned green by a copper coffin

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Health

Can’t focus after a bad night’s sleep? Your dirty brain is to blame

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Life

Dinosaur skeleton settles long debate over ‘tiny T. rex’ fossils

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Health

The gut microbiome may play a role in shaping our personality

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Space

A tiny nearby galaxy is home to a shockingly enormous black hole

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Space

A distant comet is forming new rings while we watch in real time

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Technology

Analogue computers could train AI 1000 times faster and cut energy use

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Health

Men may have to exercise more than women to get same heart benefits

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