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Discussions related to sex education and prevention strategies may not be appropriate for this age group, so this simply provides a baseline of knowledge about HIV and AIDS. Covers the definition of HIV and AIDS, transmission, progression, treatment and the importance of treating HIV-positive people with respect and compassion. Presents information through a lens that emphasizes healthy decision-making.
(Source: DCMP)
Students demonstrate the process for making cheese and how the composition of milk aids the cheese making process.
For centuries, silkworms have been breed to produce strong, fashionable silk threads. Today, the silk industry has joined forces with the biotechnology industry. Researchers are creating genetically modified worms which a produce a protein that aids in clotting blood. Researchers are looking to maybe one day use the protein in medical procedures.
Gives a general introduction to microscopes, a device invented 400 years ago. Begins with a simple magnifying glass and moves to the optical, confocal, electron, scanning electron, and the scanning tunneling microscopes. Shows that each one "sees" with increasing detail. The microscope opens invisible worlds and aids scientists in improving ours.
Technology and science are working to restore, replace, and supercharge the powerful human sense of hearing. Meet a man who is blind whose hearing is so acute that he can navigate a bicycle by the sound of the echo of a click. This episode also highlights some of the advances made in hearing aids and work being done by researchers to use sound to improve cognition and memory during sleep. Part of the “Human + The Future of Our Senses” series.
A group of leading engineers in unmanned aerial vehicles (UAV) gathers on the USS Midway to discuss careers in technology fields. Mike Atwood and Darren Moe of General Atomics describe how their company aids the military, and George Guerre of Northrop Grumman discusses how drones survey various weather conditions. Mike Veale of San Diego Zoo Safari Park explains how drones help stop the poaching of rhinos and elephants in Africa. Part of the “STEAM Leadership” series.
This video explores the wide range of defense mechanisms the body calls upon to fight foreign invaders in an effort to maintain health. Immune responses, diseases, and care of the immune system are some of the topics addressed. Concepts and terminology include: pathogen, defenses, lymph, phagocytes, macrophages, lymphocytes, humoral immunity, antibody, acquired immunity, vaccines, allergies, autoimmune disorders, AIDS, immune disorders, and care of the immune system.
It is the virus hunters who are leading the life-and-death battles against viruses. Ken Stedman hunts extreme viruses that live in the boiling acid pools of Lassen Volcanic National Park in California. Donald Henderson is responsible for wiping out smallpox-the only virus that humanity has conquered. Within a year of its eradication, AIDS emerged to become a worldwide pandemic. Ebola, Marburg, SARS, West Nile Virus, and a host of new infectious diseases soon followed. Also explores such chronic diseases as cancer, heart disease, multiple sclerosis, and mental illness, which are now suspected of being caused by viruses. Even autism is suspected of being caused by an infection during pregnancy.
