2,470 results
2,470 results for: mutations
- Genetics
Scorpion’s sting evolved from insects’ defensive proteins
With a single genetic mutation, an insect’s defensive proteins can be transformed into a toxin that gives scorpions their signature sting, a new study shows.
- Genetics
Origin of Tibetans’ high-altitude adaptations found
Mixing genes of two ancestral populations gave modern Tibetans their ability to withstand high altitude.
- Genetics
What your earwax says about your ancestry
Both armpit and ear wax secretions are smellier in Caucasians than in Asians, thanks to a tiny genetic change that differs across ethnic groups.
- Health & Medicine
H7N9 flu makes a comeback
Scientists warn that the risk that the illness could spread remains.
- Health & Medicine
This rare skull-thickening disease led to a 3-D-printed replacement
A skull implant made with a 3-D printer replaced the 2-inch-thick skull of a Dutch woman with the rare van Buchem disease.
- Genetics
Gene editing reverses liver disorder in mice
By editing a mouse's genes with bacterial proteins, scientists have reversed a rare liver disorder in the animal.
- Chemistry
This is what happens when you pee in the pool
Swimming pools are basically chemical toilets, but here’s why I’ll keep swimming.
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Losing Sleep: Mutant flies need less shut-eye
The ability to get by on little sleep may have a strong genetic component, according to a new study in fruit flies.
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Novel drug may take on lung cancer
A drug that bottles up the so-called epidermal growth factor receptor might fight lung cancer.
- Health & Medicine
Proteins’ Promise: New test could reveal early ovarian cancer
A screening test for ovarian cancer shows promise in preliminary trials.
- Anthropology
Coasting to Asia in the Stone Age
New genetic analyses of people from native island groups in Southeast Asia support the unconventional view that around 70,000 years ago, people living in Africa crossed the Red Sea and moved east along Asia's southern coast.
- Anthropology
Founding Families: New World was settled by small tribe
A new genetic analysis indicates that only about 200 to 300 people crossed the ice age land bridge from Asia to become the founding population of North America.
