News tagged with eggs

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The developmental on-switch

German researchers have demonstrated for the first time why the molecular cocktail responsible for generating stem cells works. Sox2 and Oct4 are proteins whose effect on cells resembles that of an eraser: ...

Aug 19, 2013
5 / 5 (9) 0

Why guppies have genital claws

New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.

Aug 02, 2013
4.5 / 5 (4) 1 | with audio podcast

First supper is a life changer for lizards

For young lizards born into this unpredictable world, their very first meal can be a major life changer. So say researchers who report evidence on July 3 in Current Biology, a Cell Press publication, that t ...

Jul 03, 2013
4.4 / 5 (7) 1 | with audio podcast