If you've ever taken a science or math class, you've probably seen the name "Bernoulli" -- and maybe you assumed it was one person, but that family had a squad of mathematicians.

Has anyone ever told you, "Stand up straight!" or scolded you for slouching at a family dinner? Comments like that might be annoying"but they're not wrong. Your posture is the foundation for every movement your body makes and can...

Aris Venetikidis is fascinated by the maps we draw in our minds as we move around a city -- less like street maps, more like schematics or wiring diagrams, abstract images of relationships between places. How can we learn from these...

Not all angles are what they seem! In this video, Mrs. C from Math Defined will show you how to classify angles as *vertical, adjacent, complementary, or supplementary**. Using clear examples, diagrams, and easy-to-remember tricks (like...

In this video, explore the upper layers of the OSI model, focusing on their functions and roles in networking.

In this video we practice small letters — the lowercase letters that go on the baseline or ground. Perfect for young learners, preschool, kindergarten, and first grade students, this video helps improve letter formation, fine motor...

Many say that the waters of America’s Northern coasts are home to an elusive sea serpent of legend. Named Caddy! Or Cadborosaurus, for long. Sightings and testimonials go back generations. Who is Caddy? And why are serpentine water...

A video entitled "Testing Graphing" which shows how to use a graph to test if ratios are proportional.

A video entitled "Graph and Estimate Solution" that covers graphing linear equations using x- and y-intercepts to solve systems of linear equations.

A video entitled "Angle Problems" which shows how to find missing measures in the case of intersecting lines.

A video entitled "Graph Linear Intercepts" that covers the process of graphing a linear equation using its x- and y-intercepts.

A video entitled "Exterior Angles in Triangles" which talks about using interior angles to calculate the measure of the exterior angle.

In a poll of the 50 of the most respected scientists, only one man was on every list at or near the top - Greatest scientist of all time. The birth of physics starts: Isaac Newton had many...

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Albert Einstein was ridiculed when he first published his theory. People thought it was too weird and radical to be real. Einstein wasn’t satisfied with his theory either, because the theory did not...

SUMMARY

What is Spacetime? Are space and time the same thing? Space was thought to be nothing, an empty void with no matter in it. In 1908, Hermann Minkowski postulated that time could be thought of as a 4th...

Science Kids Hurricanes, Tornadoes, Bomb Cyclones, Atmospheric Rivers, Floods and Extreme Weather

This video explains the differences between hurricanes, typhoons, and cyclones, detailing how they form and the impact of the Coriolis...

Master the fundamentals of motion in a straight line with this summary of 7 key kinematics lessons. Includes solved problems, essential tips, and downloadable PDFs—ideal for JEE, NEET, and AP Physics students seeking conceptual clarity...

Learn how to do a pencil drawing from artist Rebecca Schweiger in this Howcast drawing tutorial.

Howcast - A piece of paper and some common household supplies are all you need to make yourself a wallet. Inspired by the Instructables <a href='http://www.instructables.com/id/Paper-Wallet/' target='_blank' rel='nofollow'>project</a>='http://www.instructables.com/id/Paper-Wallet/' target='_blank' rel='nofollow'>project

Howcast - Learn how to create a candy buttons nail design in this Howcast nail tutorial.

Howcast - Learn how to do your face makeup to look like a cat in this Howcast Halloween makeup tutorial with artist Kenneth Llambelis.

Howcast - Learn how to do cast handstand drills in this Howcast video with Dulles Gymnastics Academy.

Howcast - Learn how to apply skateboard grip tape from SHUT Skateboards' Michael A. Cohen in this Howcast video, part one of two.

Howcast - Learn how to trim kids' bangs from stylist Janet Waddell in this Howcast hair tutorial.