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Proceedings of the National Academy of Sciences

File photo of babies in a nursery. (credit: DESHAKALYAN CHOWDHURY/AFP/Getty Images)

Study: Equality Between Sexes At Moment Of Conception, But More Males Survive

Every year, slightly more boy babies than girl babies are born worldwide. But back when sperm meets egg, the two sexes are conceived in equal numbers, a new study suggests.

03/30/2015

File photo of a couple exchanging wedding rings. (Photo by Chung Sung-Jun/Getty Images)

Study: One-Third Of Recent Marriages Occurred Between Online Courtships

A new study offered by researchers at the University of Chicago and reviewed by a team at Harvard University shows that a third of marriages happen between couples who met online.

06/04/2013

MIT researchers are looking to imitate nature in the medical field. (Photo by Frederick M. Brown/Getty Images)

MIT Creating Porcupine-Inspired Medical Needles

Engineers are creating medical needles and adhesives that emulate barb-tipped porcupine quills.

12/12/2012