Astronauts in space are valuable sources of scientific data. Researchers collect blood and urine samples to understand what effects living in weightlessness has on their bodies. For one experiment, investigators are interested in their breath.
from ESA Top News bit.ly/2pozx1z
Earth observation image of the week: a Sentinel-3 image of the Bering Sea, also featured on the Earth from Space video programme
from ESA Top News bit.ly/2oDwBRy