Sci

Sci

A close up of a hand.
13mins
“Over the last 10 or 15 years, scientists have really started to understand the fundamental underlying biology of the aging process. And they broke this down into 12 hallmarks of aging.”
A radio telescope points at the night sky, where stars are arranged in the shape of a large question mark.
13mins
"We've sent out one or two little messages, but we certainly aren't investing billions of dollars shouting out into the cosmos saying, "Hey, we are here. Come say hi.""