Science news articles about 'blair hedges'
World's smallest snake found in Barbados
... as thin as a spaghetti noodle and small enough to rest comfortably on a U.S. quarter --was discovered by Blair Hedges, an evolutionary biologist at Penn State. Hedges and his colleagues also are the ...Readers Ask: Is This A New Species?
... microsnake long before it was announced as a new species, which herpetologist Blair Hedges named for his wife. Readers want to know: how can you tell if the new animal or plant ...Probing question: What is a molecular clock?
... you what time of day it is. But a molecular clock does tell time -- on an epoch scale. The molecular clock, explained S. Blair Hedges, is a tool used to calculate the timing of evolutionary events.