SoT 276: Fluffy Rocks

September 10, 2017

Hosts: Ed Brown, Penny Dumsday, Lucas Randall.

[00:01:06] Another plate tectonics mystery could be solved: how thick is a continental plate? According to a study published in the journal Science, pretty thick – between 130 and 190km!

[00:10:57] Mars’ “bow shock” – where charged particles from the Sun interact with the red planet’s atmosphere – has been studied by a team of European scientists. They found that the bow shock’s location changes over several Martian years, for a variety of reasons.

[00:14:43] Artificial organs don’t have to be full sized and they don’t have to be for transplants. Researchers around the world are building “mini-organs” – sometimes as small as a pencil point – for everything from neurological research to medication and drug tests.

[00:35:37] A Saturn-like ringed planet, orbiting close to the star and at a sharp angle, could explain the strange dimming and brightening pattern of “Tabby’s Star”, according to a new theory proposed by a team at the University of Antioquia.


This episode contains traces of Elon Musk frankly discussing the challenges of the upcomning Falcon Heavy rocket launch.