News
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PaleontologyNot your typical pterosaur
A beautifully preserved fossil from Germany displays a wing unlike any ever seen.
By Janet Raloff -
LifeTrout nose cells follow magnetic fields
Iron-rich tissue may be at root of a biological compass.
By Devin Powell -
LifeEgg production after birth questioned
A study finds no evidence of stem cells in adult mouse ovaries, suggesting female mammals really are born with all the gametes they’ll ever have.
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MicrobesKilling with the flip of a switch
A single genetic transformation turns mild-mannered bacteria into assassins.
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LifeSpace trek may help worms live long
After 11 days in orbit, nematodes showed signs of slower aging.