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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.

Physics

The world’s brightest X-ray machine has been turned on

The LCLS-II X-ray laser is unprecedentedly bright, and will make it possible to record exactly what atoms and molecules do during photosynthesis and other chemical reactions

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Health

What you need to know about the 2023 covid-19 boosters

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2R61H1F Dean Lloyd (left) uses a touch screen monitor to test his Argus II eye implant at UCSF Medical Center in San Francisco, Calif., on Friday, Feb. 27, 2009. Neuroscientist Matthew McMahon monitors Lloyd's progress. Lloyd, who has been completely blind for several years, can now see rough images of shapes and colors thanks to the experimental implant developed by Second Sight. (Paul Chinn/San Francisco Chronicle via AP)

Health

Doctors warn about the rise of people with obsolete medical implants

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Technology

Google Bard AI won’t answer questions about Putin asked in Russian

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Health

Anti-ageing drugs could make more organs viable for transplants

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Humans

Why the ancient hominins of Asia are so mysterious

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Anti-vaccine protesters march through London in 2021

Technology

Facebook change to control covid-19 vaccine misinformation failed

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Space

Data leak means anyone can see when astronauts urinate on the ISS

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Life

Tadpoles can change colour to blend in with their environment

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plastic bottles

Technology

Plant protein capsules could make it easier to add vitamin D to drinks

Drinks in transparent bottles are difficult to fortify with vitamin D because the supplement breaks down when exposed to UV light, but tiny protein capsules that protect the vitamin could help

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Health

Key immune cells may help protect against inflammatory bowel disease

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Health

Growing pains may indicate a greater risk of migraines later in life

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Comment

Bridge author, Lauren Beukes: There are a lot of multiverses out there

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Environment

High-flying microplastics could pose a threat to the ozone layer

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