Octopuses are not warm-blooded animals, yet the speed with which their nerves transmit signals depends on temperature. So how do those that live and move in sub-zero Antarctic waters function just as well as those inhabiting warm, tropical waters? The answer surprised researchers.

Nineteenth-century English poet Alfred Tennyson famously described nature as "red in tooth and claw."¹ But were claws and teeth originally intended to draw blood, or were they used to eat vegetation?

Observing animals on the Galapagos Islands supposedly helped Charles Darwin come up with his theory of evolution by natural selection. But none of these animals have fulfilled the evolutionary interpretation Darwinists have placed on them, and recent evidence of a supposedly extinct Galapagos tortoise fills the same bill.

Biologists recently found that feather colors and songs vary among some species within the South American genus Sporophila, also known as seedeater birds. But strangely, they did not find any genetic differences in the form of species-specific DNA markers. Do these variations fit any evolutionary pattern?