NASA ScienceCasts - A Chip Off the Old Block
Living 3D versions of human organs called Tissue Chips are being sent to the International Space Station to be studied in microgravity.
ISS Science: http://www.nasa.gov/iss-science
NASA Science: http://science.nasa.gov/
Credit: NASA
ISS Science: http://www.nasa.gov/iss-science
NASA Science: http://science.nasa.gov/
Credit: NASA