Incredible sea predator.
Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ways compared to other colors. In this video, we’ll look at some very cool butterflies to help us learn how living things make blue, and why this beautiful hue is so rare in nature.
Nearly 350 species of fish have specialized anatomical structures that generate and detect electrical signals. Underwater, where light is scarce, electrical signals offer ways to communicate, navigate, find, and sometimes stun prey. But how do these fish produce electricity? And why? Eleanor Nelsen illuminates the science behind electric fish.
Aniol and Gerd Serrasolses have been kayaking together for almost their entire lives. Follow them on their adventure through the highs and lows of a life on the river.
The boats scoop up floating waste and bring it to shore to be collected.
Nuclear energy is one of the cleanest, most efficient, and most available sources of power on earth.