Tire particles can impact fresh water

Ever wonder what happens to the rubber tread that wears off a vehicle’s tires? New modelling suggests an increasing amount of microplastics — fragments from tires and roadways — are ending up in lakes and streams.

New clues to genetic causes of high cholesterol

The discovery of a genetic variant that is relatively common among people of Polynesian ancestry, but incredibly rare in most other populations, is giving clues to the genetic underpinnings of high cholesterol in all people, according to new research.