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Echidna insight into evolution of embryo growth

An international team including University of Adelaide scientists has discovered the molecular change in echidnas enabling both parents to influence the growth of the embryo during pregnancy in mammals.

Researchers solve mystery of long elephant pregnancy

(Phys.org) -- For years biologists have puzzled over how it is that elephants are able to maintain such long pregnancies, which typically run to nearly two years. While many theories have been tossed around, no one really ...

Sharper ultrasound images could improve diagnostics (w/ Video)

Ultrasound images, known as sonograms, have become a familiar part of pregnancy, allowing expectant parents a view of their unborn child. But new research at MIT could improve the ability of untrained workers to perform ...

Pregnancy is a drag for bottlenose dolphins

Lumbering around during the final weeks before delivery is tough for any pregnant mum. Most females adjust their movements to compensate for the extreme physical changes that accompany the later stages of pregnancy. However, ...

Solving the puzzle of Henry VIII

Blood group incompatibility between Henry VIII and his wives could have driven the Tudor king's reproductive woes, and a genetic condition related to his suspected blood group could also explain Henry's dramatic mid-life ...

Never-married women face social stigma, researchers find

In 2009, approximately 40 percent of adults were single, according to the U.S. Census Bureau. In a new study, "I'm a Loser, I'm Not Married, Let's Just All Look at Me," a University of Missouri researcher examined the familial ...

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