Alcohol use is so pervasive in our society that, sooner or later, every teen will face personal decisions about underage drinking. With a strength-based approach and an emphasis on making safe decisions, this program equips teens with important information about alcohol use, how it affects the brain, how it increases the likelihood of accidents and injuries, and how it can harm school performance, relationships, and health.

Jesse's mother has to work late, so Jesse is responsible for cooking the family a healthy meal-but he has no idea which ingredients to choose or how long the preparation will take. This program follows Jesse as he learns how to plan a well-balanced menu that fits in with a busy lifestyle. The video discusses the functioning of nutrients and their role in wholesome meals; menu-planning and basic items to keep on hand; and the growing trend of relying...

In the 20th century we added an unprecedented number of years to our lifespans, but is the quality of life as good? Surprisingly, yes! At TEDxWomen, psychologist Laura Carstensen shows research that demonstrates that as people get older they become happier and more content and have a more positive outlook on the world. Carstensen is the director of the Stanford Center on Longevity and has extensively studied the effects of extended lifetimes on wellbeing....

Oxygen is key to Earth's success as a habitable planet. But where did it come from? And when and how did it begin to transform the early atmosphere? This science bulletin explains how scientists are coming to understand oxygen's origins - not by studying ancient air, but by retracing its impact on Earth's surface.

Where do designers get their ideas? How do the environment, culture, and history shape designers' outlooks? Can collaboration create an inspired design? How do inspiration and innovation relate to each other? Modern design, powered by new technology and production techniques, is pushing the limits of human ingenuity. This program allows viewers to explore the minds and methods of product designers to learn how to breathe life into a new idea.

The very nature of Jewish identity is changing in the 21st century. In Israel, only a fifth of the population is religiously observant, but Orthodox Jews wield significant cultural and political power. In North America, many Jews have embraced a secular, humanistic form of Judaism, with nearly half marrying outside the faith. We meet a New York fashion designer who is bringing Jewish symbolism to a new audience, with provocative clothes influenced...

Three of the most catastrophic volcanic eruptions in geologic history occurred at a place now visited by nearly four million people per year: Yellowstone National Park. The magma chamber responsible still lies beneath, and continues to steam, heat, and shift the park landscape. This science bulletin talks with the geologists regularly monitoring these disquieting signals to understand where this active region lies in its volcanic life span.

The speed of light is constant in a vacuum-but what about in the everyday world? This collection of 23 computer-animated video shorts examines the behavior of light as it passes through physical substances. Outlining Ptolemy's Law of Refraction and the concept of angle of incidence, the program examines light's motion through air, water, glass, and other media. Snell's Law, highlighting the importance of a refractive index, is explored, along with...

Inside the Bardo Museum, Tunisia, we discover the Carthaginian, Roman, Arab and Berber influences on Tunisia. We expose Hollywood myths about Roman Gladiators, then find out if historical reports of child sacrifice are myths as well. We fire Roman catapults to test their killing power, then meet a camel whisperer to discover how he convinces camels to take him where he wants to go. We climb a mountain to survey Roman era waterworks, then meet a Star...

The heart is a hardworking organ that makes sure every muscle, tissue, and cell in the body gets just what it needs. In this episode, Dr. Alice Roberts puts her own heart to the test when she rides in a stunt plane performing acrobatics. She discovers what happens to her heart rate under stress. When she's back on the ground, she visits a pub and a chip shop to analyze what happens to her heart when she's drinking alcohol and eating chips. She finds...