‘First Steps’ shows how bipedalism led humans down a strange evolutionary path

The mystery of the blue flower: Nature's rare color owes its existence to bee vision: Why is it that humans are so fond of blue? And why does it seem to be so rare in the world of plants and animals?

In America, Republican-led states are rolling back electoral and civil liberties: A new study finds a decades-long pattern of backsliding in states run by the GOP

Surprisingly, humans recognize joyful screams faster than fearful screams