Jessi and Squeaks are at the fair, and Jessi is excited to go on the roller coaster! But before they get on, Squeaks wants to know how roller coasters work.

A Chinese saying goes, "There's no pleasure in eating without meat." And the data backs that up: every year, China consumes 26 percent of the world's meat and 45 percent of its seafood — numbers that could grow alongside rising incomes....

Today we are moving on from the existence of God to look at the philosophical debate surrounding the traditional divine attributes - omnipotence, omniscience, omnitemporality, and omnibenevolence. We are exploring the puzzles that these...

Explore the thrilling world of roller coasters with Mac Lesggy as he discovers how these exhilarating rides stay safely on track while delivering adrenaline-pumping experiences. Learn about the engineering that keeps the rides secure...

इस वीडियो में शरीर के लसिका तंत्र (lymphatic system) की महत्वपूर्ण भूमिका को समझाया गया है। यह तंत्र शरीर से अतिरिक्त पानी, प्रोटीन और मलबे को हटाने का काम करता है। लाखों छोटी वाहिकाएं शरीर में मौजूद द्रव को इकट्ठा करती हैं और इसे...

This video is answering the question of what does the phoenix look like.

Learn about Neil Armstrong, from his childhood in Ohio and his interest in airplanes to his missions in the Korean War and his time as a test pilot, to the Gemini and Apollo 11 missions.

In this video, the teacher explains the physics behind roller coasters and how engineers design and build them. Topics covered include gravitational potential energy, kinetic energy, conservation of energy, friction, acceleration, and...

Discover the very best videos about roller coasters YouTube has to offer - brought to you by National Geographic Kids! ➡ Subscribe for more National Geographic Kids videosf='http://bit.ly/SubscribeToNvideosids' target='_blank'...

Have you ever ridden a roller coaster? Have you ever wanted to design your own? There are plenty of expensive toys and even video games that will let you build your own coasters—but in this project you'll make one out of paper and...

How much energy does a roller coaster need to go through a loop without getting stuck? Build your own marble roller coaster in this project and find out!

Jacqui Rossi talks about the tumultuous life of Mary I of England, from being disinherited to becoming England's first female monarch. #Biography Subscribe for more Biographyhttp://aetv.us/2AsWMPH' target='_blank'...

How Items are Reused and Recycled explores how various items are reused and recycled and explains how waste may be appropriately disposed of to prevent unnecessary harm to the environment.

Developmental psychologist Alison Gopnik has done more than just 'think of the children', she wrote a book – and it rules favorably for free play and the end of scholastic parenting. Gopnik's latest book is "The Gardener and the...

No pep talks here, just a prediction by innovation expert Alec Ross that gene code and precision medicine is set revolutionize life the same way that computer code has. Ross' book is "The Industries of the