This Week: Ancient water = ancient habitat?
In the News: Accidents: Why Do They Happen?
Three gross “biotherapies”: Leeches suck blood after surgery. Maggots clear dead tissue from wounds. Parasitic worms fight ulcerative colitis.
Biology operates on the nanometer scale, and now ultra-small technology is producing monster benefits for genetic analysis, cell biologists, and the treatment of blinding glaucoma.