90 results
90 results for: mutations
- Paleontology
The last woolly mammoths offer new clues to why the species went extinct
The last population of woolly mammoths did not go extinct 4,000 years ago from inbreeding, a new analysis shows.
- Health & Medicine
Why finding bird flu in a U.S. pig for the first time is raising new worries
Swine can act as so-called “mixing vessels” for human and bird flus, giving avian viruses an opportunity to adapt for spreading in people.
- Health & Medicine
Human body lice could harbor the plague and spread it through biting
Rats and fleas previously got all the blame, but humans’ own parasites could be involved.
- Animals
A frog’s story of surviving a fungal pandemic offers hope for other species
Evolving immunity to the Bd fungus and a reintroduction project saved a California frog. The key to rescuing other species might be in the frog’s genes.
- Health & Medicine
Genetic analyses of the bird flu virus unveil its evolution and potential
The H5N1 outbreak in cattle is giving flashbacks to the COVID pandemic. But this time is different.
- Health & Medicine
Getting drugs into the brain is hard. Maybe a parasite can do the job
Researchers want to harness the parasite that causes toxoplasmosis to ferry drugs, but some question if the risks can be eliminated.
- Genetics
Here’s why some pigeons do backflips
Meet the scientist homing in on the genes involved in making parlor roller pigeons do backward somersaults.
- Health & Medicine
Bird flu can infect cats. What does that mean for their people?
Pet owners can take precautions to avoid H5N1, such as keeping cats indoors and making sure they don’t eat raw meat or milk.
- Life
Head lice hitched a ride on humans to the Americas at least twice
The genes of head lice record the story of their human hosts’ global voyages.
- Health & Medicine
Traces of bird flu are showing up in cow milk. Here’s what to know
We asked the experts: Should people be worried? Pasteurization and the H5N1 virus’s route to infection suggests risks to people remains low.
- Animals
The first embryos from a mammal have now been grown in space
Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.
- Animals
Here’s how high-speed diving kingfishers may avoid concussions
Understanding the genetic adaptations that protect the birds’ brains when they dive for food might one day offer clues to protecting human brains.
