SoT 317: Darknado

Hosts: Ed Brown, Penny Dumsday, Lucas Randall

[00:02:00] There’s a stream of stars hurtling through our region of the Milky Way galaxy, and they’re bringing with them a “dark matter hurricane”. It’s probably nothing to worry about, though.

[00:12:16] For the first time since 1889, the kilogram has been redefined according to a natural constant, instead of a lump of metal in a vault in Paris. The actual mass, for all intents and purposes, remains the same.

[00:23:51] Previous studies of Neanderthal skulls found high rates of head injuries leading experts to believe they were a violent, savage people. But a new study finds that our human ancestors had a similar injuries and might not have been much different.

This episode contains traces of Professor Brian Greene explaining Dark Matter to CNN’s Fareed Zakaria.