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Two cowbirds near each other. The smaller female is facing away from the larger male.

Thursday, November 14, 2019

Birds Raised by Other Species Use 'Password' to Recognize Their Own Kind

Cowbirds outsource parenting to other species, but an innate password tells their children to copy cowbird songs.

Nala Rogers, Staff Writer

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Space

Thirty-Five Years On, the Search for Aliens Continues

The SETI Institute leads the hunt for extraterrestrials, which has entered a new phase with myriad planets to focus on.

Ramin Skibba, Contributor

Creature

Birds Raised by Other Species Use 'Password' to Recognize Their Own Kind

Cowbirds outsource parenting to other species, but an innate password tells their children to copy cowbird songs.

Nala Rogers, Staff Writer

Space

Highway Pileups for Black Holes

Astrophysicists devised a new theory that may explain the formation of black holes with masses exceeding 50 times that of our own sun.

Yuen Yiu, Staff Writer

People in a hall. The walls are covered in images of people, horses, archers, and decorations.

Earth

Scientists Piece Together the Rise and Fall of an Empire From Evidence Hidden in a Cave

New data sheds light on the impact of an ancient drought.

Charles Q. Choi, Contributor

Sports

New Report Assesses State of Concussion Research in Youth Sports

Panel of experts says there is not enough evidence to give solid recommendations on many youth sports safety issues.

Chris Gorski, Editor

Earth

The Search For A Better Airplane Fuel

As the air travel industry grows, we need to find alternative jet fuels that have less of an impact on the planet.

Karin Heineman, Executive Producer

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