LifeToads on tropical islands are rapidly shrinking as they evolve Toads that were introduced to two tropical islands in the 1920s are now a third smaller than their mainland peers, possibly a sign of remarkably rapid evolution 51¶¯Âþ
HealthMagnetic levitation can be used to separate the living from the dead A form of magnetic levitation can separate living and dead cells, which could help in everything from drug discovery to tissue engineering 51¶¯Âþ