We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the...

What can't Candace Parker do? A two-time NCAA champion, two-time Olympic gold medalist and two-time WNBA champion, Parker knows what it takes to fight for your dreams. In this inspiring talk, she shares what she's learned during a career...

All over the world, giant wave breaks appear because of underwater geology that supercharges their wave energy.

Freedom from cars, freedom from sprawl, freedom to walk your city! City planner Jeff Speck shares his "general theory of walkability" -- four planning principles to transform sprawling cities of six-lane highways and 600-foot blocks into...

Sebastian Thrun helped build Google's amazing driverless car, powered by a very personal quest to save lives and reduce traffic accidents. Jawdropping video shows the DARPA Challenge-winning car motoring through busy city traffic with no...

It's Okay to Be Smart! Ants!

Fixing traffic seems easy—just add more roads, right? Turns out that this is a problem studied by physicists and psychologists alike, with no easy answers.

Airplanes use a lot of fuel, which means a lot of CO2 emissions. So, to help reduce the impact of aviation, engineers are looking to animals (like sharks) for some ways they can make airliners more efficient.

New ReviewLearn how fluid speed changes in a narrowing pipe using laminar flow, the continuity equation, and a clear animation. Perfect for physics students!

New ReviewIn this video we are going to explore how to use the rules of logarithms to solve an exponential equation. We will use 4 different properties to help us solve

In this video, learn how EtherChannel performs load balancing across the aggregated links.

Howcast - Learn how to avoid a motorcycle crash in this Howcast motorcycle video with expert Kenyon Kluge.

Howcast - Learn how to bowl a strike using a hook ball, aka curve ball, in this bowling video from Howcast with expert Byron Toth.

Howcast - Learn how to choose a bowling ball from world record-holding bowler Byron Toth in this Howcast video.

Howcast - Learn how to pick up spares from world record-holding bowler Byron Toth in this Howcast video.

Howcast - Learn how to throw a bowling ball from world record-holding bowler Byron Toth in this Howcast video.

Howcast - Learn how to bowl stroker style from world record-holding bowler Byron Toth in this Howcast video.

Howcast - Learn how to pass your driving road test in this Howcast video with A-Club Driving School.

Howcast - Learn how to change lanes and how to merge into traffic in this Howcast video with A-Club Driving School.

Howcast - Pick up some tips on how to drive on a highway in this Howcast video with A-Club Driving School.

Howcast - Learn how to drive in traffic in this Howcast video with A-Club Driving School.

Howcast - Learn passing rules in this Howcast video with A-Club Driving Schools.

Howcast - Learn the warrior one yoga pose from certified yoga instructor Chelsey Korus in this Howcast video.

Howcast - Learn about bow placement for bowing open strings from musician Julie Artzt Becker in this Howcast video.