Why Some Animals Follow The Moon
AdultsAnimalsEnvironmentNatureOrganisms of all shapes and sizes synchronize their behaviors using biological clocks. Some keep pace with the daily rising and setting sun using circadian rhythms.
How squids outsmart their predators
AdultsAnimalsBiologyNatureThere are about 500 species of squid, and they live in all the world's oceans, making them a reliable food source for whales, dolphins, sharks, seabirds, fish - and even other squids. As a result, the squid's most extraordinary adaptations are those that have evolved to help them thwart these predators.
Why Don't Sheep Shrink In The Rain?
AdultsAnimalsNatureScience...Getting wet isn't REALLY what makes wool shrink; it merely exacerbates the friction between the wool fibers, which is stronger in one direction than another, so when agitated in the washer or dryer, they migrate in relation to each other in a process called "felting."
Why BEAVERS Are The Smartest Thing In Fur Pants
AdultsAnimalsNatureEnvironmentBeavers have done more to shape North American landscapes than any animal beside humans. We don't notice them much today because there aren't many left, but before colonization, North America was home to hundreds of millions of these furry engineers.
How to Make an Elephant Explode with Science - The Size of Life 2
AdultsAnimalsGeneticsScience...Life on this planet is based on cells. Cells do vary in size. But they are pretty similar in their dimensions across all species. A blue whale doesn't have bigger cells than a hummingbird, just a lot more of them.
Why Is Blue So Rare In Nature?
AdultsAnimalsEcologyNature...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.