2016-03-31 - ESA astronaut Tim Peake explains how the Canadian experiment TBone will study the effects of microgravity on bone health to benefit astronauts and people on Earth. Pre-flight sessions of TBone are being conducted at the NASA Johnson Space Center on March 30 and 31, 2016. (Credits: Canadian Space Agency, NASA, ESA) Useful Links What happens to bones in space?: http://www.asc-csa.gc.ca/eng/sciences/osm/bones.asp Find out more about this video: http://www.asc-csa.gc.ca/eng/search/video/watch.asp?v=1_6zpcbxof