Life
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We summarize the week's scientific breakthroughs every Thursday.
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LifeMicrobes can draw the line between species
Wasps' gut inhabitants can kill or save crossbreeds.
By Susan Milius -
LifeStem cells made with just seven chemicals
Chemical cocktail turns adult mouse cells into embryonic-like ones.
By Meghan Rosen -
GeneticsTechnique inactivates Down-causing chromosome
Though far from a cure, the advance could eventually lead to gene therapy that alleviates some symptoms.
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AnimalsFattened livers prep white sharks for extreme migrations
The organ's reserves enable a long journey from waters off California to Hawaii and back, tracking data suggest.
By Susan Milius -
PaleontologyDinosaur had impressive schnoz
Fossils found in Utah reveal geographic segregation of horned species.
By Erin Wayman -
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LifeGenetic test fingers viral, bacterial infections
If made to take less time, test could help doctors treat children's fevers.
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PaleontologyT. rex hunted live prey
Fossils yield tooth in healed wound of another dinosaur.
By Erin Wayman -
AnimalsSponges boom thanks to Antarctic ice shelf bust
Previously thought to grow at a slow pace, the sea creatures exploded in number.
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GeneticsKiller whales are (at least) two species
Orca genetics highlights distinctions among groups that feed on different prey.
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GeneticsChromosome Variations
Excerpt from the July 27, 1963, issue of Science News Letter
By Science News -
NeuroscienceFinding the brain’s common language
Erich Jarvis dreams of creating a talking chimpanzee. If his theories on language are right, that just might happen one day.
By Erin Wayman