Science

Why Do We Sleep? Here’s What Scientists Think

Sleep is a universal human experience, yet for centuries it remained one of biology’s great mysteries. While science hasn’t yet revealed a single, definitive answer, several compelling theories offer insight into the many crucial roles sleep may play.

Revolution in forest mapping with drones and artificial intelligence

Using drones and artificial intelligence, an Embrapa (The Brazilian Agricultural Research Corporation) project maps Brazil nut trees and other species in the Amazon, reducing costs, facilitating collection, and strengthening sustainable extraction in the region.

14 15 16 17 18