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"This particular algal species, commonly found in polluted water, is often referred to as "pond scum". As the movie switches to a 20x lens and then the 40x, watch closely, toward the center of each cell in the strand, for the cell nucleus. It's right near the middle and shows as a round object that is near transparent, but once you see it, you will see others. "

"Students will build a lung model to learn how their lungs and diaphragm work to make them breathe. The lesson features a demonstration on how incomplete combustion of fossil fuels releases particles into the air that can negatively affect human health, and how we can protect ourselves from these effects."

"I'm as happy as anyone that the Curiosity rover got to Mars; it's hard not to barrack for all those NASA geeks in their blue polo shirts. But before you get all apple pie about the achievement, there's something you should know: Curiosity runs on plutonium from a Soviet-era nuclear weapons plant."

"The MIDWAY media project is a powerful visual journey into the heart of an astonishingly symbolic environmental tragedy. On one of the remotest islands on our planet, tens of thousands of baby albatrosses lie dead on the ground, their bodies filled with plastic from the Pacific Garbage Patch."