Browsing Tag

New World

Behind the dead-water phenomenon

What makes ships mysteriously slow down or even stop as they travel, even though their engines are working properly? This was first observed in 1893 and was described experimentally in 1904 without all the secrets of this "dead water"…

The roots of a staple crop

UCSB researcher's work reveals maize became a key food source in Central America 4,700 years ago About 9,000 years ago in the Balsas River Valley of southwestern Mexico, hunter-gatherers began domesticating teosinte, a wild grass.…