Jun 20: A cosmic iceberg visit, female genetic superiority, a megadrought in the southwest and science fights Lyme disease invading Quebec
Oumuamua could be a relic from giant clouds where stars are born (1:33). Female genetic superiority: when it comes to survival, two X chromosomes beat an X and a Y (9:55). Megadrought: will the southwest part of North America be parched for decades? (24:56) How scientists in Quebec are stepping up to fight a climate-related rise in Lyme disease (32:44). Web extras: A snake with a toxic surprise (54:17), the secrets of ambergris (1:01:59), and adapting coral to climate change (1:10:02).