How to clean up our universal plastic tragedy

Twenty five years ago, I spent a summer removing plastic packing bands and plastic nets from 135 entangled Antarctic fur seals on Bird Island, South Georgia in the sub-Antarctic. Plastic marine waste discarded by the fishing ...

How new substances form

Gas bubbles rise in a liquid. What looks like a bottle of sparkling mineral water actually is a type of reactor frequently used in industry – a bubble column. These reactors are found in laboratories and large technology ...

Black bears return to Missouri indicates healthy forests

For nearly a century, the only bears known to reside in Missouri were on the state flag or in captivity. Unregulated hunting and habitat loss had wiped out most black bears in Missouri, Arkansas and Oklahoma by the 1920s. ...