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SCIENCE IN THE NEWS WEEKLY

Did Developmental Timing Give Birds an Edge?

A new study suggests that retained juvenile traits may have helped birds outlive dinosaurs through a process known as paedomorphosis.

In other news of the ancient past, a study of more than 300 Neolithic skeletons suggests evidence of "hereditary inequality" among farmers 7,000 years ago. Archaeologists from Cardiff University led a team who studied the skeletons from across Europe. They say evidence suggests that farmers buried with tools had access to better land than those buried without.

The slow eastward migration of monsoons across the Asian continent initially supported the formation of the Harappan civilization in the Indus valley by allowing production of large agricultural surpluses, then decimated the civilization as water supplies for farming dried up, researchers reported last week.


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PODCASTS: Expanding With the Cosmos

Using the Atacama Cosmology Telescope (ATC), a 6.5-meter microwave collector in Chile, cosmologists are piecing together the early history of the known universe. In an exclusive American Scientist interview, Arthur Kosowsky—a member of the ATC team and a professor in the Department of Physics and Astronomy at the University of Pittsburgh—discusses how he is using ATC to reach back in time billions of years to search for gravitational waves that could verify inflation and reveal unprecedented details about how the cosmos was born.

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