Tibetan Plateau is receiving an estimated 56 tons of microplastics annually at altitudes above 4000 metres

Men were more likely to report physically arousing hugs as the most memorable

Sun may have been near the peak of its approximately 11-year cycle at the time

Black tea seemed to have a more consistent link with lower vascular disease

People who exercised three times a week saw the most benefit

Observers can see the cup in two distinctive contrasting colours, based on whether they see reflected light or light directly passing through it

Study may have uncovered ancient Egyptian word for Aloe Vera

Palaeontologists are reexamining fossils in Natural History Museum's care in recent years to find new species