A wave of research shows how a pregnancy can be put at risk by drinking, diet and exposures to toxins—on the part of the male.
People with hard-to- treat cancer might get unlikely new allies: 400,000 genetically engineered fruit flies.
The science of senescence has struggled to translate life-extending research from animals to people. Now the pace is quickening.
Gene changes related to culture may play into how disease affects the body, according to researcher Esteban Burchard.
Few identical twins suffer identical maladies, leading science to probe the significance of epigenetic changes that make paths diverge.
It appears that natural selection isn’t the only way traits are passed along. Environmental influences, too, may get embedded in our DNA.