Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s the longest river in the world, full of unique creatures ...

For generations, the word safari conjured images of dusty Land Rovers bouncing across the Serengeti in search of lions and elephants. But new species of plants and animals are discovered in the Amazon ...

It’s just a sweet, squeaky sound, like that of a rubber duck. For scientists, however, it could have various meanings, ranging from “Time to spawn!” to “Come on, little ones!” to “Time to migrate!” ...