heres

Ancient rocks have evidence of Earth’s magnetic field. Here’s why this is weird – Space.com

by
A person with a neon yellow jacket stands in front of a huge wall of rock with cool striations.

A 3.7-billion-year-old record of our planet’s ancient magnetism has been discovered, providing evidence that Earth’s magnetic field existed very early in history. However, this discovery is quite surprising. Rocks approaching 4 billion years old are hard to find; most are recycled earthIts tectonic activity, sliding into the mantle through subduction zones before sliding out of … Read more

Jeff Bezos isn’t a fan of ‘blocking time’ – here’s what he does instead to boost his productivity – CNBC

by
menu icon

“I don’t keep a strict schedule,” Bezos said, in an episode first released in December 2023. “My meetings often take longer than I planned for them, because I believe in [mind] wander.” For example, Bezos makes time during meetings for people to bounce ideas off each other, no matter how small or spontaneous, he said … Read more