The physical activity paradox: not all forms of exercise lower your dementia risk – this type raises it

A major new study of 4.2 million people found leisure exercise cuts dementia risk – but manual labour and active commuting may raise it.

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Can you teach yourself to detect AI writing? Maybe

There’s no single giveaway. But there are patterns.

Celeste Rodriguez Louro, Associate Professor and Director of Language Lab, The University of Western Australia·Aug 25, 2026

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The Conversation

How will this year’s record-breaking El Niño affect NZ and the world? 5 things to know

From global temperature records to drought risk in New Zealand, the developing climate pattern could have far-reaching consequences.

Kevin Trenberth, Distinguished Scholar, National Center for Atmospheric Research; Affiliate Faculty, University of Auckland, Waipapa Taumata Rau·Aug 24, 2026

Nautilus

This Cookie Was a Plastic Bottle

Would you eat a trashy treat? The post This Cookie Was a Plastic Bottle appeared first on Nautilus.

Jake Currie·Aug 24, 2026

Nautilus

Five Images, Six Decades: Capturing the Iconic “Earthrise” Photo

The first was taken August 23, 1966 The post Five Images, Six Decades: Capturing the Iconic “Earthrise” Photo appeared first on Nautilus.

David Nield·Aug 24, 2026

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Outside Magazine

How Much Exercise Balances the Health Risks of Sitting All Day?

Scientists are debating whether a daily workout is enough to protect your body from the metabolic damage of a desk job. The post How Much Exercise Balances the Health Risks of Sitting All Day? appeared first on Outside Online.

awise·Aug 24, 2026

National Geographic

Why Some People Are Born With Devastating Gene Mutations—And Never Get Sick

Scientists have long believed that disease-causing genetic variants inevitably lead to disease. But a sea change of research is turning that assumption on its head.

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