What does it mean to be a “semi-aquatic” dinosaur? Was it wading in the shallows, or could it have been a skilled swimmer? Each scenario paints a very different picture of Spinosaurus, and the discovery of new fossils has paleontologists...

Dive into the deep with open water swimmer Bhakti Sharma, as she shares what she learned about resilience during her personal journey from the scorching heat of Rajasthan, India to the bone-chilling waters of her record-breaking swim in...

Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made ofother humans. We can compare the journey of a sperm to that of a sperm whale by calculating the Reynolds number, a prediction of how...

Howcast - With more water-training devices than ever, learn how to wade through the myriad of choices in water exercise equipment and make the right choice.

Howcast - Learn how to swim laps in this online swimming lesson from Howcast.

Meet Tony and his mom Funani at the San Diego Zoo's river hippopotamus exhibit and learn all about this young calf's development.

Opposing forces are at work all the time, even when you aren't moving!
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Mr. Griot explains the uses of three new marks of punctuation: dashes, parentheses, and ellipses.

This video highlights the collaboration between Ian Thorpe and Adidas in the design of the ultimate bodysuit for swimming. The Adidas Jet concept suit, incorporating riblet technology, aims to reduce drag and improve performance. Through...

In this video, Ian Thorpe, the world-renowned swimmer, collaborates with Adidas to design the ultimate body suit for the Athens Olympics. The suit, called the Adidas Jet concept, incorporates revolutionary riblet technology to reduce...

Some sports attract tall athletes and some are dominated by athletes with a shorter stature. The study of allometry investigates how strength scales with height. According to science, what are the reasons that certain sports attract tall...

This is the science of what, where, and how of rip currents. Most lifeguard rescues on ocean beaches in the United States are for rip currents. See how to avoid rip currents and learn safety from these killer currents on beaches. They...

This video explores the negative perception of sharks and highlights the misconceptions surrounding them. It discusses the rarity of shark attacks on humans and the detrimental effects of shark fishing, particularly for shark fin soup....

Does it really take 10,000 hours to master the piano? This music performance lesson explores the theory that 10,000 hours is what is needed to produce a great pianist. The idea comes from Malcolm Gladwell, that it takes about 10000 hours...

The third law of motion states that for every action there is an equal and opposite reaction.

This live-action video program is about the word dymanics. The program is designed to reinforce and support a student's comprehension and retention of the word dymanics through use of video footage, photographs, diagrams and colorful,...