Videos: “Space to Ground” report on the ISS – Dec.14.2018

Here is the latest episode of NASA’s weekly Space to Ground report on activities related to the International Space Station:

** More about the rather unusual EVA by two cosmonauts this week, which involved rough cutting of insulation on a Soyuz spacecraft with a long sharp knife:

Russian spacewalkers cut into Soyuz spaceship to inspect leak repair – Spaceflight Now
Russian EVA examines hole repair area on Soyuz MS-09 – NASASpaceFlight.com

** STEMonstrations: Sleep Science: A tutorial from the ISS on sleeping in low earth orbit and microgravity:

Establishing a routine for sleep is a key component to an astronaut’s ability to function aboard the International Space Station. In this episode, Expedition 55/56 Flight Engineer Ricky Arnold discusses the crew sleeping quarters, why sleep is important and how they adapt for circadian rhythms aboard the station. Use the lesson plan that coincides with this video to invigorate your STEM classroom. Be sure to visit https://www.nasa.gov/stemonstrations for the Classroom Connection related to this video and more educational resources that explore the research and technology of the International Space Station.