The fragile-looking filaments of cooled lava known as Pele’s hair can form when pockets of bubble-rich lava pull apart rapidly, experiments suggest. Among all the ways that molten rock can solidify ...

If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.

We are raiding the Guardian long read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2022: Idealising the past is nothing new, but ...

We’re rolling out Dear Algo, an AI-powered feature that lets you tell Threads what topics you temporarily want to see more or less of. You can repost someone else’s Dear Algo request to try their ...

Ice Dancing was in full nostalgia mode on Monday as pairs were asked to choreograph their routines to songs from the 1990’s. This led to the British pair skating to a Spice Girls medley, the French ...