Men might be less likely to use a condom if their partner is hot

Scientists found a strange correlation between hot women and condom usage

7,100 cities from 119 countries sign world’s largest alliance to curb climate change

Most of the world’s greenhouse gas comes from cities – and that’s where we have to act.

In the U.S., Walkability Is a Premium Good

In America, walkable neighborhoods are a privilege of the rich and educated.

GeoPicture of the Week: A colorful crystal mosaic

This is a beautiful specimen, from recent finds at the Wudong Mine of China.

Strong ‘electric wind’ can strip entire planets of oceans and atmosphere

This is some scary stuff.

Crop improvements are just not keeping up with climate change

Things are about to get much worse.

‘Holy grail’ of breast cancer prevention in high-risk women may be in sight

This could be a game changer for women.