Russell McLendon is a science writer with expertise in the natural environment, humans, and wildlife. He holds degrees in journalism and environmental anthropology. You're probably familiar with a ...

This is when unrelated species evolve to have functionally similar features. All bats and birds "converged" with their ability to fly in response to environmental stimuli and biological goals. The arm ...

There are so many reasons to love houseplants. From purportedly removing pollutants and reducing stress to increasing focus and creativity, they bring some of the outdoors inside and are, almost ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Cottonwoods are poplars native to North America, Europe, and western Asia.

The orca, or killer whale (Orcinus orca), is a curious combination of fearsome predator and charismatic marine mammal. These large, black-and-white members of the dolphin family live in all the ...

Doris Lin is an animal rights attorney and the Director of Legal and Government Affairs for the Animal Protection League of New Jersey. Her focuses as an expert writer include animal rights and ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are the food factories of the tree. Powered by sunlight, the green ...