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...

Mr. Andersen explains the differences between scalar and vectors quantities. He also uses a demonstration to show the importance of vectors and vector addition.

True Pines (conifer trees in the genus Pinus) are often confused with other members of the Pinaceae family like Picea (Spruces), Abies (Firs), Pseudotsuga (Douglas-firs) or Larix (Larches). So is very likely that your Christmas tree is...

In this video Paul Andersen explains the importance of scale in science and engineering. The Universe varies in size along three scales: size, timespan, and energy. Many phenomenon are too small and fast, or two large and slow to...

Some trees lose their leaves in the fall, but some keep their green leaves all year round. Join Jessi and Squeaks to learn about evergreens: where they grow, and how they survive in harsh conditions!

This video is a collaboration with Aatish Bhatia about how to see the COVID-19 tipping point - we present a better way to graph COVID-19 coronavirus cases using a logarithmic scale in "phase space" - plotting the growth rate against the...

using examples from birdsong, the natural lilt of emphatic language and even a cooking pan lid, singer-songwriter and TED Fellow Meklit Hadero shows how the everyday soundscape, even silence, makes music. "The world is alive with musical...

Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently...

Sharks are fascinating creatures with cool teeth, awesome scales, and there are over 450 kinds of sharks! Join Jessi and Squeaks to learn some super shark facts!

What is Skin For

Eyelash vipers were thought to be one widely distributed species that came in a lot of colors, but they’re actually more like five to nine different snakes that each come in a rainbow of colors...even within the same litter... so, how...

Science Kids Bugs - Varieties, Life Cycles, and “Creepy-Crawly” Fun Facts

This video explores the importance of various flying bugs in our ecosystem, highlighting bees as crucial pollinators responsible for a significant portion of...

Howcast - Learn about the personality traits of people born under the Libra zodiac sign from astrology expert Lawrence Greco in this Howcast video.

Howcast - Learn how to play scales on bass guitar from musician John Sutton in this online guitar lesson from Howcast.

Howcast - Learn how to practice scales on the bass guitar from musician John Sutton in this online guitar lesson from Howcast.

Howcast - Learn how to play the rudiments from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn accordion music for beginners from musician / Broadway actress Katrina Yaukey in this Howcast video.

Howcast - Learn how to play accordion bass notes from musician / Broadway actress Katrina Yaukey in this Howcast video.

Howcast - Learn how to play the accordion with both hands from musician / Broadway actress Katrina Yaukey in this Howcast video.

Howcast - Learn how to find good violin practice music from musician Julie Artzt Becker in this Howcast video.

Howcast - Learn about bow divisions and rhythms for the violin from musician Julie Artzt Becker in this Howcast video.

Howcast - Learn scales on the violin from musician Julie Artzt Becker in this Howcast video.

Howcast - Let musician Alex Skolnick teach you how to play the dorian mode on guitar in this heavy metal guitar lesson from Howcast.

Howcast - Let musician Alex Skolnick teach you how to play the blues scale on guitar in this heavy metal guitar lesson from Howcast.