Uncategorized
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PaleontologyEarly meat-eating dinosaur unearthed
Pint-sized, two-legged runner from Argentina dates back to the dawn of the dinos, 230 million years ago.
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HumansMarking penguins for study may do harm
Metal flipper bands used to tell birds apart hamper survival and reproduction, a 10-year study finds.
By Susan Milius -
SpaceNeighboring black hole puts on weight
Galaxy M87's massive heart weighs as much as 6.6 billion suns.
By Ron Cowen -
Health & MedicineWhen good cholesterol is even better
It's quality, not just quantity, of high-density lipoprotein that counts in heart disease, study suggests.
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LifeSongbird’s testosterone surges at sight of thistle blooms
Seeing the right flowers in summer temperatures triggers male goldfinches’ reproductive readiness.