In a study of 34 people, some adults were more likely to identify as homosexual or bisexual if their mother took progesterone while pregnant. But is just one of the many factors that might influence our sexuality, say scientists.
The Arctic climate is entering a new state, say the scientists behind a new pan-Arctic report. But implementing the Paris Climate Agreement in full could stave off some of the biggest changes post 2050.
Greenland’s earliest people developed advanced technology that allowed them to survive on the sea ice. A single dress object from that time, a little seal skin sock, reveals unrivalled sewing techniques.