News

Physics

Antiprotons show no hint of unexpected matter-antimatter differences

The ratio of electric charge to mass for protons mirrors that of their antimatter counterparts.

Health & Medicine

‘Blastoids’ made of stem cells offer a new way to study fertility

Newly created “blastoids” could help with research on nonhormonal contraceptives and fertility treatments.

Animals

Here’s how spider geckos survive on Earth’s hottest landscape

An analysis of the stomach contents of Misonne’s spider geckos shows there are more critters in the heart of Iran’s Lut Desert than meets the eye.

Astronomy

Two stars’ close encounter may explain a cosmic flare that has barely faded

A brilliant outburst of light that has lasted nearly a century arose when two young stars skirted past each other, simulations suggest.