Emily and her friends, having met a new girl at the pool whom they want to be part of their group, start to become suspicious when she always makes excuses about why she cannot hang out with them.

Gravity may seem elementary. But proving Einstein's theories about it is quite hard. To do so, scientists are struggling to capture gravity's most elusive hallmark: the gravitational wave. This science bulletin focuses on research at the Laser Interferometer Gravitational-Wave Observatory (LIGO) in Livingston, Louisiana, where scientists have constructed a sprawling facility dedicated to the detection of minute changes in space/time caused by gravitational...

Jon Chase is on Croyde Beach in Devon, headquarters of the junior GB surfing team. His mission is to find out what different types of wave there are and how they work. With Britain's best young surfers, Jon investigates sea waves. How does the wave travel towards the shore, but the sea water does not?

The protective gear worn by motorcyclists can be extremely hot and uncomfortable in sweltering Australian conditions. Does heat stress contribute to accidents, and how protective is safety gear anyway? Mark Horstman lays his mind and body on the line as scientists put motorcycle clothing to the test. Also, what did the beginning of time look like - that moment of creation? What are the biggest explosions in the universe like? We've never been able...

"Water supports all life on Earth, but it's disappearing fast. How do we fight for it? It's time to take a close look at water-what we have available, how to conserve it, how to distribute it, and how to manage it for future generations to come. Next up in this core National Geographic, mission-oriented series, which includes the award-winning This Book Stinks and Kids vs Plastic, this book will be loaded with super wow-worthy water stats, infographics,...

The torturous waist-shaping corset of the Victorian era… The bright green eye shadow of the '70s… Prompted both by fashion trends and by cultural norms, women tend to adopt the prescribed beauty ideals of their times. The 20th century saw milestone achievements in beauty culture - from the first plastic surgeries in the '20s, to the portable metal lipstick container, to the aerobics craze of the '80s. This episode is about changing looks and the...

In the late 1800s, Maggie Walker, an African American community leader, helped establish a sanitarium for tuberculosis patients, a community center, and an educational loan fund, among other humanitarian projects. She was also the first woman in the United States to become founder and president of a chartered bank.