5,519 results
- Health & Medicine
Neandertals, gut microbes and mail-order ancestry tests
Geneticists weigh in during the annual meeting of the American Society of Human Genetics.
- Life
Replaying evolution
By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.
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Bacteria thrive by freeloading
Mutant bacteria thrive by freeloading off their hard-working kin, but these slackers revert to working normally if they become too numerous.
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Better living through plasmonics
Mixing light with nanotechnology could help treat cancer and build faster computers.
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A partnership apart
DNA in hand, scientists dissect and redefine the iconic lichen mutualism.
- Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
- Tech
I, computer
Bacteria that can "flip pancakes" with their DNA are the first microbes engineered to be living computers.
- Health & Medicine
Gut feeling
A bacterial compound can reverse intestinal disease in a mouse, providing the first example of a microbial product “networking” with the mammalian immune system to quell inflammation.
- Chemistry
Oldest evidence for complex life in doubt
Chemical biomarkers in ancient Australian rocks, once thought to be the oldest known evidence of complex life on Earth, may have infiltrated long after the sediments were laid down, new analyses suggest.
- Health & Medicine
How the body rubs out West Nile virus
Tests in mice show how the immune system tracks down cells infected with West Nile virus, findings that might explain why some old people fare worst from the virus.
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- Health & Medicine
Good day care grime
A study of 952 children in Manchester, England, suggests that children going to day care starting at age 6 months could be less likely to develop asthma later.
