News
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AnimalsGetting a Grip: How gecko toes stick
Scientists have pinned down the molecular basis of the gecko's astonishing ability to scamper up polished walls and hang from ceilings, paving the way for a new type of synthetic dry adhesive.
By Kristin Cobb -
Health & MedicineYou’re Feeling Sleepy . . . : Anesthetics activate brain’s sleep switch
Anesthesia's sedative effect may depend on activating sleep circuits in the brain.
By John Travis -
PlantsTime Capsules: Seeds sprout 120 years after going underground
An experiment designed by a botany professor to last longer than his own life has demonstrated that seeds of two common flowers still sprout and blossom despite more than a century in a bottle.