leroy chiao

The Air Up There: What Space Stations Smell Like

The Air Up There: What Space Stations Smell Like

In Leroy Chiao’s five-day stint as astronaut guest blogger, he’s striving to illuminate the everyday aspects of life aboard the International Space Station, stuff that isn’t in press releases. Today’s topic? The air they breathe.

The Challenge of Brushing Your Teeth In Space

The Challenge of Brushing Your Teeth In Space

Contributing astronaut guest blogger Leroy Chiao continues his five-day mission to enlighten us with life in orbit, this time dealing with the troublesome business of the morning routine, particularly brushing your teeth in zero gravity.