Science can make blind mice see again and deaf mice hear — now scent-deprived mice can sniff their surroundings and smell for the first time, after a new gene therapy. It may be a while before this treatment percolates up to humans, but it’s a sign that gene therapy could restore smell in this rare but disorder.
Despite how easy they make it look on TV dramas, determining time of death for a body requires a lot of difficult guesswork (unless someone is there when the person passes, of course). A range of environmental factors and other mitigating circumstances make any declaration of time of death an estimation at best.
University of Washington and Stanford researchers have created what could become a model for future microbots: a one-inch microchip sporting 512 thermal-powered "feet" that can carry more than seven times its own weight while moving in any direction.