Study Finds on MSN7d
Breakthrough DNA Analysis Reveals Everyone on Earth Shares Genes from Two Ancient Populations
Cambridge University researchers have uncovered evidence that two distinct populations of ancient hominins, separated for ...
CBS News18d
Butterfly populations declining rapidly in U.S. with 22% disappearing in 2 decades, study finds
While butterflies are the most extensively monitored insect group in the U.S., most past studies have been limited by geography ... butterfly species have experienced significant population ...
Butterfly populations in the US are declining at a concerning rate, scientists say
The population of butterflies in the U.S. is declining at a concerning rate, according to new research published in the ...
U.S. News & World Report12d
Many US Bird Species Seen as Reaching Population 'Tipping Point'
Many US Bird Species Seen as Reaching Population 'Tipping Point' By Will Dunham WASHINGTON (Reuters) - U.S. bird populations are experiencing alarming declines due to factors such as habitat loss ...