Genetics
-
NeuroscienceFear can be inherited
Parents’ and even grandparents’ experiences echo in offspring, a study of mice finds.
-
GeneticsDNA changes may show how whales adapted to water
Comparing the genetic material of whales has revealed DNA changes that may have helped the animals adapt to aquatic environments.
-
NeuroscienceGene that boosts Alzheimer’s risk might protect against it too
Carrying certain genetic versions of apolipoprotein E is a major risk factor for Alzheimer’s disease. A new study looks at the effects of different types of APOE on the major markers of Alzheimer’s in mice and shows that all forms are not equal.
-
GeneticsAncient Siberian bones clarify Native American origins
Some New World ancestors came from western Eurasia, not East Asia.
-
GeneticsSexy male mice have competitive moms
Moms allowed to compete for mates produce sons that make sexy pheromones, live hard and die young. How? Epigenetics.
-
HumansHumans’ music and genes may have evolved together
Music may be a tool scientists can use to trace human migrations.
-
GeneticsDogs’ origins lie in Europe
First domesticated canines did not live in China or Middle East, a study of mitochondrial DNA finds.
-
GeneticsGenetic difference in blood clotting may underlie racial health disparity
Finding could help explain difference between blacks and whites in heart attack survival.
-
LifeGene makes old cells act young again
Turning on a gene called Lin28a in old, damaged tissue may help the cells heal quicker.
-
-
Genetics
People’s genes welcome their microbes
In mice and humans, genetic variants seem to control the bacterial mix on and in bodies.
-
Genetics
Genetic variants may keep Siberians warm
People in frigid cold evolved changes in fat metabolism, shivering.