Can you feel the force?

Engineering students from the University of Leeds have found a way to let surgeons keep their sense of touch when operating at a distance with ‘keyhole’ techniques.

Polar climate change may lead to ecological change

Ice and frozen ground at the North and South Poles are affected by climate-change-induced warming, but the consequences of thawing at each pole differ due to the geography and geology, according to a Penn State hydrologist.