2,442 results
2,442 results for: mutations
- Genetics
Single exodus from Africa gave rise to today’s non-Africans
Genetics and climate studies differ on when modern humans left Africa.
- Health & Medicine
Genetic tweak turned plague bacterium deadly
Two genetic changes allowed plague bacteria to cause deadly lung infections and pandemic disease.
- Genetics
Ebola continues to shift, but grows no more fatal
In the West African epidemic, Ebola evolved and spread quickly, but the virus is not becoming deadlier over time.
- Life
Aging: Nature’s way of reducing competition for resources
Aging may have developed in many species as a genetic mechanism to conserve future resources. If the controversial proposal is true, then scientists may be able to greatly extend life span by deactivating the machinery for aging embedded in our DNA.
- Neuroscience
No-pain gene discovered
Scientists have identified a new genetic culprit for the inability to perceive pain.
- Health & Medicine
Clean-up gene gone awry can cause Lou Gehrig’s disease
Scientists have linked mutations on a gene involved in inflammation and cell cleanup to ALS, or Lou Gehrig’s disease.
- Genetics
How Ethiopian highlanders adapted to breathe thin air
Lower levels of a heart protein may help Ethiopian highlanders breathe thin air, researchers report.
- Life
Removing worn-out cells makes mice live longer and prosper
Senescent cells promote aging, and removing them makes mice live longer, healthier lives.
- Neuroscience
Signs of Huntington’s show up in the brain in childhood
Hints of Huntington’s disease show up in the brain long before symptoms do.
- Genetics
Year in review: Epigenome makes its debut
The Roadmap Epigenomics Project, unveiled in February 2015, is the first in a series of 3-D looks at the human genome.
- Animals
Playful pups conceived via in vitro fertilization for the first time
Scientists have solved the mystery of how to perform in vitro fertilization in dogs, which could help rid canines of heritable diseases.
- Life
A healthy old age may trump immortality
Despite disagreements about what aging is and isn't, scientists have reached a radical consensus: It can be delayed.
