Life
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We summarize the week's scientific breakthroughs every Thursday.
- Life
Carnivores can lose sweet genes
A gene involved in taste detection has glitches in some, but not all, highly carnivorous mammals.
By Susan Milius - Life
Microraptor’s true blue colors
The birdlike dinosaur had black, iridescent feathers that may have helped it attract mates.
By Devin Powell - Paleontology
Triceratops reigns alone again
Fossil comparison fends off a challenge that holds the dinosaur is but the immature version of the Torosaurus.
By Devin Powell - Life
Bee genes may drive them to adventure
Scouting behavior linked to certain molecules in insect brains.
- Life
Exercise brings on DNA changes
Workouts and caffeine can turn on genes that make energy-regulating proteins.
- Life
Sawfish don’t saw
Spiked snouts whack prey to the bottom, helping the predator better get its mouth around dinner.
By Susan Milius - Life
Fossil pushes back land-animal debut
Creatures first squished mud through their five toes millions of years earlier than previously believed.
By Devin Powell - Physics
Plants’ reproductive weaponry unfurled
Botanical tricks include adhesion and bubbles to spread their spores into the environment.
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- Life
After a breakup, coral embryos live on as clones
Even modest waves can break apart embryonic corals, but the bits that survive can grow into separate clones.
By Susan Milius -
- Life
Pollutants long gone, but disease carries on
Even without new exposures, various chemicals can impact DNA and cause illness across at least three subsequent generations, rat study finds.
By Janet Raloff