For over a century, scientists believed that light, focus distance, and cognitive effort were the main forces behind changes ...

Except when we fly, or see rockets and missiles, we mostly ignore the air we breathe. But when the air becomes poisoned with pathogens, then we care about this invisible cocktail and actions we take ...

Invasive fish species is known for breathing on land, 'walking' to new water. It harms nature in Mississippi; kill it on sight. Here's what to know ...

They can breathe air and live outside water for days ... (If you're gardening, pick native species.) Bowfin are also called dogfish or mudfish. They're native to the Mississippi River watershed.

Bowfin are a native Mississippi fish that resemble ... in waterways in the mid-Atlantic and Southeast. They can breathe air and live outside water for days, allowing these toothy nightmares ...