Durham, NC — Physically fit frogs have faster-changing genomes, says a new study of poison frogs from Central and South America.
Stretches of DNA accumulate changes over time, but the rate at which those changes build up varies considerably between species, said author Juan C. Santos of the National Evolutionary Synthesis Center in Durham, North Carolina. read more
Maintaining or improving physical fitness is linked to lower death risks even after controlling for BMI change, according to a new study. Becoming less fit is associated with higher death risks, regardless of BMI changes. BMI change... Read Post
The most toxic, brightly colored members of the poison frog family may also be the best athletes, says a new study. Read Post