Sin lluvia, los bosques lluviosos no serían bosques lluviosos. Pero sin bosques lluviosos, no habría tanta lluvia. Así que ¿qué fue primero

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Join the elite Epidemic Intelligence Service as they combat outbreaks and prevent the spread of deadly diseases. Follow their expeditions and life-saving efforts.

Dr. Forrester explains that countries around the world are comprised of people with similar ideas and backgrounds. They often speak the same language and celebrate the same holidays.

Explore the fascinating world of roller coaster engineering, where creativity meets physics. Learn how constraints like budget, materials, and safety shape the design process, and discover why steel has become the material of choice...

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...

Understand realistic use cases for optional, by looking at example function interfaces and data structure definitions

What is more fun then riding a roller coaster? Ask mechanical engineer Chris Gray and he'd say building one! At Greater Coaster International, Chris applies his creativity and engineering knowhow to build exhilarating (and safe!) roller...

What does the future hold for humanity? According to Lord Rees of Ludlow, the Astronomer Royal, there is a distinct possibility that humanity will evolve, or adapt our own biology, to the necessities of space exploration so completely...

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...

Gever Tulley uses engaging photos and footage to demonstrate the valuable lessons kids learn at his Tinkering School. When given tools, materials and guidance, these young imaginations run wild and creative problem-solving takes over to...

Easy Languages is an international video project aiming at supporting people worldwide to learn languages through authentic street interviews and expose the street culture of participating partner countries abroad. Episodes are produced...

Hey students. This video is designed to help you calculate and apply marginal utility and marginal utility per dollar. Many teachers and professors ask questions that require you to determine the utility maximizing combination with two...

MOT 1936: HITLER-JUGEND INTO LABOR SERVICE: Young Nazi adult lifting poles for exercise, teamwork. VS Young adult Nazi labors swinging weights, using pitch forks, wheel barrows, shovels on sod.

The world economy could be transformed by sustainability initiatives, but which sectors and technologies hold the most potential? KKR’s managing director of sustainable investing looks at where companies should focus their investments.

In this video, a person visits Fuji-Q Amusement Park in Japan to ride the Takabisha rollercoaster, known for its world record-breaking drop. With a mix of excitement and fear, they capture their experience as they scream their way...

Are you struggling with figuring out how much space you have in a room? Let's learn how to calculate the area of a rectangle! We'll start by learning what area is, and how it's used in real life. We then move on to finding the area using...