We’re Using Giant Freakin’ Lasers To Probe Alien Planets

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

The long shadow of Paul Ehrlich’s ‘Population Bomb’ is evident in anti-immigration efforts today

Paul Ehrlich opened his 1968 book “The Population Bomb” with a scene recounting returning to his hotel through a crowded Delhi neighborhood on a stifling night in the mid-1960s. He described the ...