29/08/2022

When and why did humans start using tombstones?

As grave markers, tombstones offer a focus for mourning and commemoration. Typically made of stone and usually engraved with the deceased's name, date of birth and death, they also often carry inscribed tributes. They've ...

AI illuminates permanently shadowed regions on the moon

With the help of artificial intelligence, an international research team led by ETH Zurich has explored the moon's permanently shadowed regions. The information they have obtained about the area's surface properties will ...

X-shaped radio galaxies might form more simply than expected

When astronomers use radio telescopes to gaze into the night sky, they typically see elliptical-shaped galaxies, with twin jets blasting from either side of their central supermassive black hole. But every once in a while—less ...

High-tech tools reveal opalized fossil skeleton

Paleontologists from Flinders University are using a micro-CT scanner and 3D printing to reconstruct a small dinosaur preserved as opal for more than 100 million years in white sandstone rocks.

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