harmful

Are ‘zombie’ skin cells harmful or helpful? The answer may be in their shapes

Senescent skin cells, often referred to as zombie cells because they have outlived their usefulness without ever quite dying, have…

11 months ago

Exposure to particular sources of air pollution is harmful to children’s learning and memory

A new USC study involving 8,500 children from across the country reveals that a form of air pollution, largely the…

1 year ago

Scientists cut harmful pollution from hydrogen engines

Hydrogen-burning internal combustion engines offer great promise in the fight against climate change because they are powerful without emitting any…

1 year ago