New research shows that most pollen sources tested were a poor match for the essential amino acid profile of bee tissues.
The Black Death, which peaked between 1347 and 1353, killed up to 50 million people in Europe.
The thawing waste dumps — known as middens — are revealing their secrets as the Arctic warms up to four times faster than the global average.
Scientists warn of more intense river flooding during extreme rainfall events in western and northern parts of the U.K. and longer dry spells and lower river flows southern regions.
A wearable device being used on stairs. (American Heart Association via SWNS)
Doctors say physical activity is crucial to prevent a further heart attack or stroke in people with cardiovascular disease.
