Life
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We summarize the week's science breakthroughs every Thursday.
- Life
Bacterial neighbors get mean
Strains of the same species growing just meters apart can do a lot of damage to each other — and to themselves.
By Susan Milius - Health & Medicine
Possible prostate cancer culprit
Scientists identify a type of stem cell and a gene that play a role in the disease.
- Health & Medicine
Dolphins may offer clues to treating diabetes
Insulin-resistance switch helps maintain glucose levels in dolphin brains, suggesting possible clues to treating diabetes in people.
- Health & Medicine
Tumor tracking gets personal
A new method has the potential to use genome science to improve cancer care.
By Eva Emerson - Humans
Decoding diversity in Bushmen
Decoding the genetic makeup of tribal leaders and Archbishop Desmond Tutu uncovers rich genetic diversity in southern Africans.
- Life
Human noise may distract animals
When boats roar, hermit crabs slip up and let predators get extra close
By Susan Milius - Paleontology
Sail-backed dinos had semiaquatic lifestyle
Isotopic analyses of fossils suggest the carnivores had crocodile-like habits.
By Sid Perkins - Life
Sperm’s pore propulsion
Scientists identify a key proton channel that helps explain the dash to fertilization.
- Health & Medicine
Protein clumps like a prion, but proves crucial for long-term memory
Study in slugs hints that some molecular 'misbehavior' in neurons may help solidify learning.
- Earth
Oldest feathered dino shows its colors
Analysis of a fossil suggests plumage first evolved for display, not flight.
By Sid Perkins - Earth
Florida’s big chill may have hammered corals near shore
January cold snap caused rare wintertime coral bleaching and die-offs for Florida’s coral reefs.
By Susan Milius - Computing
Leaf veins loopy for a reason
A computer simulation finds that leaves' circular networks are efficient at getting around damaged spots and varying distribution load.