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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with New Scientist鈥檚 exclusive in-depth articles, interviews and long reads.

Senior women exercising at home

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How the immune system changes with age and why

We are gaining a better understanding of the effects of ageing on the immune system, with some surprising findings that it鈥檚 not all downhill after 65

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Banded mongoose group approaching with curiosity (Mungos mungo). Maasai Mara National Reserve, Kenya. March 2018.

Life

Inside the complex and extremely violent world of warring mongooses

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Polycystic ovary syndrome

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A better understanding of PCOS offers fresh hope for new treatments

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Neil Turok mirror universe

Physics

Neil Turok on the case for a parallel universe going backwards in time

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https://www.usgs.gov/media/images/mineral-laden-water-emerging-hydrothermal-vent Mineral-laden water emerging from a hydrothermal vent on the Niua underwater volcano in the Lau Basin, southwest Pacific Ocean. As the water cools, minerals precipitate to form tower-like ?chimneys.? Image taken during 2016 cruise ?Virtual Vents.?

Earth

The mysterious underwater avalanches reshaping Earth

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Mind

Fresh ideas about the causes of depression are bringing new treatments

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Technology

Web3 promises to reclaim the internet from tech giants 鈥� will it work?

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European Eel (Anguilla anguilla) group being released during fisheries management study, Herault, France

Life

How we finally tracked European eels all the way to the Sargasso Sea

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Physics

How can we understand quantum reality if it is impossible to measure?

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https://www.nasa.gov/image-feature/hurricane-florence-viewed-from-the-space-station Astronaut Ricky Arnold, from aboard the International Space Station, shared this image of Hurricane Florence on Sept. 10, taken as the orbiting laboratory flew over the massive storm

Physics

How AI is shifting the limits of knowledge imposed by complexity

From weather to the structure of proteins, some things are predictable in theory, but too complex to figure out in practice. But the rise of artificial intelligence is changing that fast

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Mathematics

Why maths, our best tool to describe the universe, may be fallible

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Mind

Why some aspects of physical reality must be experienced to be known

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Mind

Logic underpins knowledge 鈥� but what if logic itself is flawed?

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How to be happy, according to the longest-running study of happiness

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