An exploration of the basic principles of flight, showing how animals overcome gravity to become airborne.

In 1845, President John Tyler signed a Congressional resolution to annex Texas, and by 1846, 4,000 troops were on the Rio Grande. Shortly thereafter, President James Polk proposed that Mexico sell its northern half to the U.S. Hostilities commenced and the U.S. crossed the border to occupy Matamoras, U.S. warships landed troops at Veracruz, who fought their way overland to Mexico City. Santa Anna led a defending army, but the Mexicans were overwhelmed. In the Treaty of Guadalupe Hidalgo, Mexico sold its northern territories to the U.S. for $15 million. For Mexico, the war was a traumatic event that resulted in the loss of many lives, half its territory, and a great deal of pride and hope for the future. However, it brought together a people who still were struggling with what it meant to be Mexican, just 20 years after achieving independence from Spain. This film examines both sides of a conflict that changed the shape of nations and left a legacy that endures to this day.

Archaeologist Sarah Parcak follows clues to early Viking explorations and discusses just what these notoriously fierce warriors were really like.

Aspects of medicine are addressed, including diagnosis, wellness, treatment and illness prevention. Topics are explored in profiles of physicians and patients.

Planet Forward, a project of the Center for Innovative Media at The George Washington University's School of Media and Public Affairs, is a online public forum where experts and engaged citizens weigh in on energy, climate and sustainability. Then, it takes the best ideas and features them online and on TV.

Barbecue America is a cooking show on public television. In this show, host and series creator Rick Browne, makes everything on a grill. He wears a "table cloth" shirt, actually made from a red and white checked table cloth.

Browne travels to a variety of barbecue cook-offs, and exotic locales to bring the best of barbecue to the viewer.

He has published several cookbooks on the subject of grilling.

Think Twice was a weekend primetime PBS game show hosted by Monteria Ivey and produced by WGBH-TV in Boston, Massachusetts which ran from October 10 to December 26, 1994.

The Clay Cole Show was a rock music television show based in New York City, hosted by Clay Cole.

First broadcast on WNTA-TV in September 1959 as Rate the Records, within two months the format was changed, and an hour-long Saturday-night show was added. In the summer months, the show was expanded to an hour, six nights a week, live from Palisades Amusement Park, where Chubby Checker first performed and danced "The Twist". When WNTA-TV was sold in 1963, the show moved to WPIX-TV, where for five years it was successful, thanks to first-time guest appearances of the Rolling Stones, Neil Diamond, Dionne Warwick, Simon & Garfunkel, Richie Havens, Tony Orlando, Blood, Sweat & Tears and The Rascals. In 1965, the show was renamed Clay Cole's Discotek. Clay produced a full hour with just one guest, Tony Bennett. Clay's all-star, ten-day Christmas Show at the Brooklyn Paramount Theater holds the all-time box-office record for that theater.

Cole was the first to introduce stand-up comics such as Richard Pryor, George Carlin, and Fannie Flagg to a teen audience. He was the first to produce a full hour of all-black performers, his historic Salute to Motown Unlike other teen music show hosts, Cole danced to the music he played on his shows; he was also unafraid to book lesser-known performers.

Religion & Ethics Newsweekly is an American weekly television news-magazine program which airs on PBS

Cookin' Cheap was a nationally syndicated cooking show, originally hosted by Larry Bly and Earl "Laban" Johnson, Jr.. Cookin' Cheap was taped in the studios of Blue Ridge Public Television in Roanoke, Virginia. It began its national distribution through the PBS system in 1981, and more recently did a syndication run on the GoodLife TV Network.

Cookin' Cheap contrasted itself with contemporary cooking shows of its time by not attempting to hide the tedious preparation work that goes into cooking a recipe, and by using common ingredients purchased at local supermarkets in Roanoke, Virginia, where the show was produced. Johnson stated that the idea for the show was born from the frustration he suffered when trying to recreate the recipes of Julia Child, lacking ingredients that are unavailable in a small southern town.

The Magic Clown was a NBC TV series which ran from 1949 to 1954. The final NBC broadcast was on June 27, 1954. The show then moved to WABD where it stayed until 1958. After that, It was renamed Bonomo, The Magic Clown and was broadcast on WNTA from September 29, 1958 to July 24, 1959. The show was sponsored by Bonomo Turkish Taffy. Josh Norris was the first Magic Clown, and went on to a successful career as a full time magician.

A single episode of the show appears on a DVD box set by Shout! Factory, and two episodes appear on a DVD by Shokus Video.

Deep Jungle is a three-part miniseries that originally aired on PBS on consecutive Sundays from April 17 to May 1, 2005. The miniseries is a part of the twenty-third season of the natural history documentary series Nature. Deep Jungle follows scientists and filmmakers as they use the latest technology to explore the jungles of fourteen countries around the world.

The Fitness Show is an educational television program, hosted by Colin Hoobler. The series, filmed in Portland, Oregon. is the first medically based fitness program to apply science to exercise. This is in the likeness of the series’ producers’ Emmy Award-winning program Bill Nye the Science Guy.

Like Bill Nye, Hoobler hosts the program as part motivator and part science teacher. Sensors and 3-D image-capturing technology show viewers in real time what goes on underneath the skin during exercise.

As a licensed physical therapist with two master’s degrees, Hoobler’s methods have been taught through the American Physical Therapy Association. Both medical doctors and physical therapists make guest appearances on The Fitness Show. Techniques demonstrated in episodes combine elements of anatomy, neuroscience, physics and sports medicine. The educational content is intended to help viewers save time, avoid invasive medical treatments and reduce chronic pain.

This PBS documentary explores depression, a debilitating disease that affects millions of Americans. Touching the lives of people from diverse backgrounds, depression still carries a stigma that causes some sufferers to go without treatment. Real people with depression talk about their experiences, and scientists offer commentary to shed light on the disease, including its diagnosis, treatment and current research.