Physical activity is a biological norm. When we don't exercise, we actually cause harm to our bodies.
Manatees take winter refuge near power plants to stay warm; but plant closures threaten their survival.
Scientists measure alligators' deadly jaws. The results: Alligators' jaws are deadly!
The history of corn is marked by an increase in sweet flavor and a decrease in nutrition.
Single fatherhood is hard for the male water bug. Afraid he'll eat his offspring, dad simply goes without.
Sorry BUGS, your brain isn't equipped for REM sleep, or any sleep for that matter.
Crabgrass, the killer weed, inflicts chemical warfare on lawns and farms.
Scientists believe human brain development is the result of genetic mutations that occurred millions of years ago.
Losing the ability to form memories can free up the brain to focus on survival.
Without riparian vegetation, salmon would be in dire straits.