In this edition of the PhysicsCentral podcast, we hear from a few teams who are still in the running for the CubeQuest Challenge: a contest for homegrown teams to build their own small satellites - cubesats - and compete against each other by demonstrating technological feats. Five million...

Ice cores contain air bubbles that have been encased for close to a million years! Find out what we can learn from this ancient oxygen in this week's PhysicsCentral podcast!