News tagged with programmed death

How birds lost their penises

In animals that reproduce by internal fertilization, as humans do, you'd think a penis would be an organ you couldn't really do without, evolutionarily speaking. Surprisingly, though, most birds do exactly that, and now researchers ...

dateJun 06, 2013 in Plants & Animals
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A newly discovered way for cells to die

Some cells are meant to live, and some are meant to die. The linker cell of Caenorhabditis elegans, a tiny worm that is a favored model organism for biologists, is among those destined for termination. This cell helps determine ...

dateApr 08, 2016 in Cell & Microbiology
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