Life
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We summarize the week's scientific breakthroughs every Thursday.
- Life
Microbes can draw the line between species
Wasps' gut inhabitants can kill or save crossbreeds.
By Susan Milius - Life
Stem cells made with just seven chemicals
Chemical cocktail turns adult mouse cells into embryonic-like ones.
By Meghan Rosen - Genetics
Technique inactivates Down-causing chromosome
Though far from a cure, the advance could eventually lead to gene therapy that alleviates some symptoms.
- Animals
Fattened 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 - Paleontology
Dinosaur had impressive schnoz
Fossils found in Utah reveal geographic segregation of horned species.
By Erin Wayman -
- Life
Genetic test fingers viral, bacterial infections
If made to take less time, test could help doctors treat children's fevers.
- Paleontology
T. rex hunted live prey
Fossils yield tooth in healed wound of another dinosaur.
By Erin Wayman - Animals
Sponges boom thanks to Antarctic ice shelf bust
Previously thought to grow at a slow pace, the sea creatures exploded in number.
- Genetics
Killer whales are (at least) two species
Orca genetics highlights distinctions among groups that feed on different prey.
- Genetics
Chromosome Variations
Excerpt from the July 27, 1963, issue of Science News Letter
By Science News - Neuroscience
Finding 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