As you might imagine, being an astronaut is stressful, particularly if you’re out in space for a long time.
NASA has tasked a team of doctors with creating a multi-media program called the Virtual Space Station.
Dr. Jay Buckey is a professor of medicine at the Dartmouth Medical School and he tells us about what the program does. Click to hear the interview.
How the US Mint and NIST are perfecting the money-making process.