Last fall marine ecologist Vincent Zintzen of the Museum of
New Zealand Te Papa Tongarewa published a study describing the first - ever observations of
hagfish exploiting those glands to ward off predators.
This week, we chat about a blood test that could predict recovery time after a concussion,
new insights into the bizarre
hagfish's anatomy, and a cheap paper centrifuge based on a toy, with Online News Editor David Grimm.