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Discover the latest science and technology news from around the world with 91av. Read exclusive articles and expert analysis on the newest developments in space, physics, health, technology, the environment and more.

Environment

Geoengineering is not going to save the poles from climate change

A review of the five main methods proposed for cooling down the poles or slowing the loss of ice concludes they are all wildly impractical, wouldn't work, or both

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Strength training

Health

Resistance training may strengthen your gut microbiome

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Health

Florida's anti-vaccine push leads dangerous shift for US public health

Analysis

Artist's impression of TRAPPIST-1e planet, as of 2018

Space

Exoplanet 40 light years from Earth may have right conditions for life

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Humans

Does this sculpted head show an ancient hunter-gatherer's hairstyle?

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Technology

Quantum router could speed up quantum computers

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Space

Possible galaxy spotted by JWST could be the earliest we've ever seen

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Life

Baby pterosaurs could fly right after hatching – but crashed in storms

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Health

A modified hot glue gun can mend broken bones

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Chemistry

Sun-powered device extracts lithium without wrecking the environment

An experimental new method for extracting lithium from brine and even seawater promises to be more sustainable than existing methods

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Mind

L-theanine: Can a compound in tea lower anxiety and help you focus?

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Technology

Liquid crystal lenses could make better bifocal glasses

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Physics

We could spot a new type of black hole thanks to a mirror-wobbling AI

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Health

A single dose of LSD seems to reduce anxiety

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