Researchers at the University of Southampton have followed their instincts and built Iridis-Pi, a tiny 64-node cluster based on the Raspberry Pi's usual Debian Wheezy distribution and linked through Ethernet.
Science editor Alan Boyle's blog: A laser attack on a lymph node provides the drama behind the top-rated video in Nikon's 2012 Small World in Motion competition, which celebrates time-lapse movies made on a microscopic scale.
To find the body's secret weapon, scientists remove cells from a lymph node - a part of the circulation system used by immune cells, but which also often forms a "staging post" for cancer as it spreads around the body.