Helen Wollner

The ancients hid the secrets of their incredible knowledge of astronomy in their temples and palaces, built to align with the sun, on the same day, all over the world. Revealing our species' obsession with the sun, across thousands of years and every continent, this is architectural magic on a cosmic scale.

An investigation by Professor of Geological Sciences, Roger Bilham, of the science behind the earthquake and tsunami off the coast of Japan on March 11, 2011.