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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.

US president Joe Biden announced new guidelines for the safe development of AI

Technology

Biden executive order: How the US is trying to tame AI

US president Joe Biden has announced an executive order that establishes ambitious guidelines on safety and security for artificial intelligence, but it will still need political will to put regulatory teeth and resources behind it

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Earth

Sun-blocking dust from asteroid impact drove the dinosaur extinction

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Environment

We can now only stay under 1.5°C target if we achieve net zero by 2034

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Technology

How AI brought John Lennon back to life for the last Beatles song

News
2T45H66 Partielle Mondfinsternis um 22:14 Uhr, Vollmond am Nachthimmel uber Munchen, 28. Oktober 2023 Deutschland, Munchen, 28. Oktober 2023, partielle Mondfinsternis am Nachthimmel uber Munchen, um 22:14 Uhr hat sich der Kernschatten der Erde maximal uber den Vollmond geschoben, eine kurze Wolkenlucke erlaubt den Blick auf das Himmelsspektakel, ein Teil des Mondes unten rechts ist angebissen, Nacht, nachts, *** Partial lunar eclipse at 22 14 oclock, full moon in the night sky over Munich, 28 October 2023 Germany, Munich, 28 October 2023, partial lunar eclipse in the night sky over Munich, at 22 14 o

Space

Partial lunar eclipse captured in stunning images around the world

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Health

You probably don’t need 8 hours of sleep for a healthy brain

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Life

Some insects disguise themselves as spiders to avoid getting eaten

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Two million people in Gaza are without reliable communications

Technology

Gaza’s phone and internet services have completely collapsed

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A landfill in the US

Environment

Food waste in US landfills produces emissions equal to 12 million cars

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Psychologist touching hand of a young man

Health

We may now know how ketamine can treat depression for so long

Ketamine becomes trapped inside certain receptors in the brains of mice – and the longer it is trapped, the longer its antidepressant effects last

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Health

Home stool test detects bowel cancer with over 90 per cent accuracy

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Space

Mouse embryos have been grown in space for the first time

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Physics

The Great Sphinx of Giza may have been blown into shape by the wind

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Space

Strange supernova blasts hint we have glimpsed a black hole’s birth

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