Eastern Pennsylvania is home to beautiful farmlands and countryside, but it's also a gold mine of information for geneticists, who have studied the region's Amish culture for decades. Because of ...

The Hardy-Weinberg theorem characterizes the distributions of genotype frequencies in populations that are not evolving, and is thus the fundamental null model for population genetics. Under the ...

While evolution involves changes in organisms that we can observe, they undergo evolution at a deeper level, too. That is, changes affect the "letters" (four different types of chemical units) in ...

In the depths of the ocean, where there’s no sunlight and the pressure could crush a submarine, a handful of animals have ...

A new study by Mayo Clinic Comprehensive Cancer Center researchers found that the presence of a specific genetic mutation—KRAS circulating tumor DNA (ctDNA)—strongly indicates a higher risk of ...

The root causes of most forms of Alzheimer’s disease largely remain a mystery. Now, researchers have revealed a new piece of the puzzle. Unexpectedly, the investigators found that 45 of 80 ...

For some people, the quest to lose weight feels like a constant struggle. Now, scientists have revealed that a newly discovered 'fat gene' could be to blame. Experts from the University of ...

Ionising radiation includes gamma rays, X-rays and ultraviolet rays. The greater the dose of radiation a cell gets, the greater the chance of a mutation. Mutations could cause different genes to ...

Parkinson’s disease (PD) affects nearly 2% of adults over 65, making it the second most common neurodegenerative disorder. It ...

RJ is a freelance science writer based in Glasgow. He covers biological and biomedical science, with a focus on the complexities and curiosities of the brain and emerging AI technologies. RJ has a ...