Sitting still linked to increased risk of depression in adolescents

Too much time sitting still—sedentary behaviour—is linked to an increased risk of depressive symptoms in adolescents, finds a new UCL-led study.

Mediterranean great white sharks found to have 3.2 million-year-old origins

The great white shark has been in the Mediterranean for 3.2 million years, way longer than researchers have hypothesized until now. The white sharks currently living in the Mediterranean are genetically closer to those of the Pacific Ocean than to their neighbors inhabiting the Atlantic.