Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
Melting ice in the Arctic is causing an increasing amount of freshwater to enter the North Atlantic, which is expected to ...
In this excerpt from the new book 'Speak Data,' the Wharton professor and best-selling author shares his thoughts on how we ...
In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...
A common height that seems normal in our human-scale world. Yet, when we compare it to the smallest and largest conceivable distances in ...
C hameleons have spiral optic nerves, CT scans and 3D modelling reveal. The discovery explains how the lizards can literally ...