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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

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Health

Exploring our body oddities is about far more than just idle curiosity

Dedicating time and money to inquire about aspects of our physiology that appear to serve little purpose might seem a little strange, but it turns out to be a great route to breakthroughs in biology

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Technology

Toxic mud from aluminium production can be used to make greener steel

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Environment

Groundwater levels are dropping fast all over the world

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Health

US states had 65,000 rape-related pregnancies after banning abortion

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A human skeleton at a prehistoric burial site in southern Brazil, where evidence of bacteria similar to syphilis have been found

Health

Syphilis-like bacteria found in 2000-year-old human remains in Brazil

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Life

Fungi grow faster if you play sounds to them

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Health

Why is the US still in such poor health, despite its wealth?

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Environment

Electricity demand from data centres set to double by 2026

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Life

Four new emperor penguin colonies have been discovered

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Life

A bacterium switches from prey to predator when it gets cold

Growing up at a different temperature seems to transform common prey bacteria into predators, suggesting that bacterial ecology is more fluid than we thought

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Health

Reversing type 2 diabetes is much harder than clinical trials suggest

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Life

See what the world looks like through the eyes of different animals

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Environment

Huge amounts of rock dust are being spread across farms to capture CO2

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Environment

Seaweed could save a billion people from famine after a nuclear war

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