Scientists in Sweden made an unexpected discovery when they exposed the fish to the illegal drug as well as another substance.
The kea gained fame for learning to use a pebble to groom himself. Scientists were astounded by his next innovation.
The android won a half-marathon for robots (and humans) on Sunday in Beijing, achieving a technological milestone while finishing faster than any person in history.
A scientist and leader in the organic farming movement, she popularized the “soil food web,” an understanding that soil is a complex realm of microorganisms.