There are many worlds and many systems of Universes existing all at the same time, all of them perishable.

— Anaximander 546 BC

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Updated: 42 min 52 sec ago

Earliest use of anaesthetics uncovered in Chinese doctor’s tomb

Tue, 05/26/2026 - 7:24am
Residues on medical equipment reveal that physicians in China over 600 years ago used aconitine, a highly toxic plant chemical, to alleviate pain during surgical procedures
Categories: Astronomy

Will lab-grown sperm let infertile men have children of their own?

Tue, 05/26/2026 - 5:00am
Men who do not produce sperm can’t be helped by existing fertility treatments, but a start-up is now claiming it can grow their sperm in the lab. Columnist Michael Le Page suspects this technique will have to be combined with gene editing if it is to help many men
Categories: Astronomy

Attack on Iran’s oil released as much pollution as a volcano

Tue, 05/26/2026 - 5:00am
Airstrikes on Tehran earlier this year emitted a plume containing almost 30,000 tonnes of sulphur dioxide that reached Asian countries
Categories: Astronomy

Does gravity create reality? A shocking path to a theory of everything

Mon, 05/25/2026 - 12:00pm
A rewrite of quantum mechanics that includes the force of gravity could finally achieve one of physicists’ biggest goals and reveal the ultimate fuzziness of time
Categories: Astronomy

Mars astronauts may do laundry by blasting clothes with a plasma beam

Mon, 05/25/2026 - 5:00am
There is currently no good way for astronauts in space to do laundry, but researchers may have finally come up with one: a bright purple jet of microbe-killing plasma
Categories: Astronomy

Why your brain needs plenty of “Aha!” moments

Mon, 05/25/2026 - 5:00am
In the age of AI, instant answers to our questions are readily available. But columnist Helen Thomson finds that continuing to encourage those delicious flashes of insight that come from your own thoughts may be beneficial both for your everyday life and your long-term brain health
Categories: Astronomy