When most people think about natural selection, they imagine individuals competing with one another: The fastest animal ...

Study of 280 empirical papers suggests evolution is shaped by both individual advantage and competition between groups.

Longer periods of extreme heat has been found to accelerate biological age in older adults by up to two years, according to new research. More heat days over time correlated with deterioration at the ...

Eunyoung Choi receives funding from the National Institutes of Health and National Institute on Aging. Research my team and I published in the journal Science Advances in March 2025 suggests that long ...

The common view of natural selection is based solely on the individual: A trait allows an organism to out-compete its rivals and is thus passed down to its offspring. To suggest otherwise can provoke ...

What if extreme heat not only leaves you feeling exhausted but actually makes you age faster? Scientists already know that extreme heat increases the risk of heat stroke, cardiovascular disease, ...