This 25-million-year-old lake holds one-fifth of all the planet’s fresh surface water.

This 25-million-year-old lake holds one-fifth of all the planet’s fresh surface water.
It’s not to be sneezed at.
The ancient coloring tool supports the idea that we weren’t the only human species with symbolic culture.
A protein that repairs damaged DNA could provide some answers to this long-standing question.
After conjunction and perihelion, the comet has come out from behind the solar glare and the first image…