How Did Dinosaurs Get So Huge?

How Did Dinosaurs Get So Huge?

Part of why we’re so fascinated with extinct dinosaurs it’s just hard for us to believe that animals that huge actually existed. And yet, they existed! From the Jurassic to the Cretaceous Periods, creatures as tall as a five-story building were shaking the Earth. Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Click here to … Continue reading

Musical Straw – Steve Spangler

Musical Straw – Steve Spangler

So, you’re waiting for your dinner to arrive and you’re bored out of your mind. There’s nothing to read… the conversation is slim to none… and you’ve already counted all of the sugar packets. Hmmm? There’s a straw… and straws are interesting. Is there anything you can do with a straw to “be amazing?” Keep … Continue reading

How does your body know you’re full? TED-Ed

How does your body know you’re full? TED-Ed

Hunger claws at your belly. It tugs at your intestines, which begin to writhe, aching to be fed. Being hungry generates a powerful and often unpleasant physical sensation that’s almost impossible to ignore. After you’ve reacted by gorging on your morning pancakes, you start to experience an opposing force: fullness. But how does your body … Continue reading

Survival of the Sneakiest

Survival of the Sneakiest

“Survival of the fittest” means that the strong succeed; or does it? The struggle for survival isn’t the only struggle that living things have to win. This comic from Evolution Berkeley takes students through the adaptations that crickets have evolved due to sexual selection. When teaching evolution, it is important to show students that natural and sexual selection are two … Continue reading