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In this video discussion, Dr. B. F. Skinner talks about a variety of topics, including treatment of the mentally ill, social values, aversive versus positive control, and the limitations of the educational system. He discusses his utopian novel Walden Two, gives his opinions of statistical methods, and considers Freudian defense mechanisms. He also considers his contributions and criticisms of them.

The world stands on the edge of a flu pandemic, according to the world’s leading experts. The results, they predict, will be catastrophic. Millions of deaths, economies and civil society in chaos, political life undermined or destroyed. A doomsday scenario! Such outbreaks happen two or three times every hundred years. We are due one now—and the avian flu strain H5N1 is the most likely candidate for a future pandemic. The last catastrophic flu...

Surgeon Gabriel Weston continues to unlock the secrets of the human body through some of the most extraordinary cases in medicine. In this episode, Weston uncovers the cases of an engineer who fixed his own heart, a toddler whose bones were repaired before he was even born, and a girl whose immune system attacked her own brain. We meet a man who can taste words and find out how his condition is helping develop new ways to enable blind people to navigate...

When polio vaccines were first developed, many experts thought the disease would be fully eradicated within decades. Tragically, as this film shows, it has survived in places like Afghanistan and northern Nigeria. These locations are now acting as disease reservoirs, with children the hardest-hit demographic and with travelers re-infecting other countries once thought invulnerable. Additionally, in the pre-vaccine world, everyone had a degree of natural...

Spectral Band Replication (SBR) is a novel method for compressing digital audio files making it possible for millions of people around the world to enjoy either higher quality sound or higher compression easily and affordably. SBR was conceived by the Swedish inventor Lars Liljeryd and turned into a real-world application by a team of engineers that included Kristofer Kjörling, Per Ekstrand and Fredrik Henn. Liljeryd’s ideas revolutionized an entire...

Este vídeo explica cómo los contratiempos, manejados correctamente, pueden ser guías útiles para conseguir lo que queremos. Tanto si se trata de una solicitud de empleo rechazada, como de una propuesta de proyecto o de una idea que se ha planteado en una reunión, los contratiempos pueden ser difíciles de superar.Muestra cómo los contratiempos o rechazos son una parte inevitable de la vida. Cuando se producen, se sienten como algo muy personal...

One of the most important stories in genetics is the race to understand DNA. This intro-level program guides viewers through that story, focusing on the biological and chemical processes central to the transfer of genetic material. Beginning in the middle of the 19th century, the program describes how competing scientists in Europe and America zeroed in on the DNA molecule and determined its structure. Friedrich Miescher's identification of "nuclein,"...

Robotic surgery is transforming modern medicine. Large movements of the surgeons hands in the operating theater translate into very small movements of the robotic instruments. It is less tiring for the surgeons and for the patient, it means less scarring, a quicker recovery, and reduced risk of infection. It is cutting edge medicine. Robotic arms – including a powerful camera – are slid into the patient through small incisions. At the end of the...

We engage with technology every day. It’s vital to understand where information is coming from. Information Literacy in the Digital Age will show students how to complement their online knowledge with information literacy, critical reading and thinking skills. Students will also learn about the ethical and legal considerations such as plagiarism and copyright when researching a topic.

It’s high drama: police have identified a time-bomb in a car trunk. Brave Constable Taviner decides to defuse it herself—brave because she has no idea what she’s doing. In a flash, skills coach Ray Roundtree appears to save the day with sure and savvy tips about online research: using search engines effectively, identifying reliable information, sources, and skim-reading.