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There are 9 videos in this category and 12 videos in 3 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 15 - 18
1606 Views:
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What’s inside of one-sixth of the world’s population and is a thousand times smaller than the head of a pin? It’s Helicobacter pylori, the pesky bacterium behind ulcers and other unpleasant stomach diseases. In our latest episode, find out more about... H. pylori, and how a scientist from Spain named Javier Sancho may have a new way to fight this common microbe. Run time 02:47.
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July 9, 2010 at 08:46 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1210 Views:
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This spot done by Nicole Brady of KOB-TV in Albuquerque shows how many Germs can accumulate on your Cell Phone. Short news clip reminds people the health issues associated with unsanitary phones. Grades 5-12. 3:01 min.
August 10, 2009 at 03:49 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
1085 Views:
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3 Billion years ago cyanobacteria appeared on the planet, changing the course of life on earth. Scientists call this event the Oxygen Catastrophe.
This video discusses the appearance of cyanobacteria and the effect it had on the evolution of life ov...er the next 3 billion years.
Suitable for an introduction to evolution, endosymbiosis and the appearance of photosynthesis and oxygen. The video includes an introduction to iron strata formation and the relationship between cyanobacteria and chloroplasts.
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December 6, 2009 at 07:45 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
934 Views:
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This video segment adapted from NOVA scienceNOW explains a process called quorum sensing, which enables bacteria to detect other bacteria of the same species in their surrounding environment. With enough bacteria present, they can undertake a group a...ctivity, such as producing a luminescent glow or spreading disease. Professor Bonnie Bassler and her team of researchers recently discovered that certain bacteria communicate not only to their own species but to other species around them. This work may help pave the way to new drug treatments that combat bacterial diseases.
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September 29, 2010 at 09:48 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
917 Views:
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Bonnie Bassler discovered that bacteria "talk" to each other, using a chemical language that lets them coordinate defense and mount attacks. The find has stunning implications for medicine, industry -- and our understanding of ourselves. Bonnie Bassl...er studies how bacteria can communicate with one another, through chemical signals, to act as a unit. Her work could pave the way for new, more potent medicine. Run time 18:11.
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July 9, 2010 at 04:28 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
802 Views:
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A benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter. This professionally-made video from PBS is part of the NOVA ScienceNOW series. (08:30)
February 15, 2011 at 11:01 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
970 Views:
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Bacteria is everywhere. This video addresses good bacteria and bad bacteria and is a short documentary about a new strategy of combatting antibiotic resistance. Run time 06:11.
August 29, 2010 at 07:38 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
301 Views:
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Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most abundant organi...sms on Earth, and are our oldest, oddest relatives. (12:17)
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September 24, 2012 at 06:58 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
1006 Views:
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News clip discusses new data on bacteria that collects on flip-flops and is reportedly dangerous. Dr. Jennifer Ashton tells how we live with germs every day and what we should truly be concerned about. Practical advice. Grades 5-12. 2:10 min.
August 13, 2009 at 08:56 AM
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