Ted: Ted Ed: How Does It Grow? Hydroponic Spinach

Discussions of DNA occur in Jurassic Park, X-men, Dexter, and CSI, yet many don't fully understand it. The video explains what DNA is, where it is located, and how it forms proteins. The chemistry of life becomes understandable through...

Full steam ahead! A video in the Real Engineering playlist shows viewers how steam engines work. the video starts with an explanation of the inefficient steam engines from before the Industrial Revolution and ends with modern steam...

Don't let the resource slip away undetected. Pupils watch a video from the Real Engineering series to learn how stealth aircraft avoid radar detection. In particular, the video focuses on the Northrop B-2 Spirit.

In 1942, scientists first observed the first man-made nuclear reactor. The video introduces the history of nuclear energy from military development through today. It highlights the types of nuclear reactors built and the reasons as well...

Aaah, winter ... chapped lips, rough hands, and flaky, itchy skin! When you apply your favorite moisturizing lotion, what does it actually do? Science scholars examine the types and functions of moisturizers through a video from the...

Nicole Jolly and the "How Does it Grow?" team take us underwater and high overhead to learn all about cranberries. [5:22]

Apples are one of the world's most common fruits. They might seem like a simple thing to grow- but they're anything but! [5:33]

America eats more potatoes than any other vegetable. Follow the spud from field to factory to learn how it grows and how it's turned into the beloved potato chip. [5:58]

Find out how evolution really works. This video explains the concept of adaptation and natural selection to describe how evolutionary change occurs. We'll find out that natural selection is comprised of four key components; each...

For the first two minutes of this video, space-age narration and computer animation illuminate the science behind carbon dating. The presentation then switches gears and uses simple graphics and another narrator to explain the same...