Step into a colorful matchstick race as each color competes to burn the fastest. Arranged on sand with precision and artistry, the matchsticks are set for an exciting race. As the flames start ...

For octopuses, changing color burns about as many calories as a human on a 30 minute jog pound for pound, new research ...

For octopuses, changing color burns about as many calories as a human on a 30 minute jog pound for pound, new research suggests. Octopuses are masters of disguise, changing color at the drop of a ...