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In this episode, groups of citizen scientists use apps and maps to help researchers gather data about medical conditions. Sensors on asthma inhalers generate real-time maps of environmental dangers to help patients and physicians in Louisville, Kentucky. In West Oakland, California, citizens confront air pollution and rising asthma rates by collecting traffic data. Citizen scientists are fighting mosquito-borne diseases with apps and crowd-sourced data in Barcelona, Houston, and New Orleans. Part of "The Crowd and the Cloud" series.
(Source: DCMP)
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. This video discusses virus structures and why a host is critical for viral reproduction. Part of "The Amoeba Sisters" series.
Part of the "Branches on the Tree of Life" series. Describes the discovery of viruses and their structure, how viruses are studied, how they infect their hosts, and how they replicate. Provides details on the T-4 bacteriophage and retroviruses, such as HIV.
Mosquitoes spread several viruses, including Dengue, Chikungunya, Yellow Fever, and Zika. Health officials are developing various methods to help reduce the spread of infections. One of those methods is to produce genetically modified mosquitoes that, when released into the wild, reproduce with wild mosquitoes and cause their offspring to die.
Viruses are tiny agents that can infect a variety of living organisms, including bacteria, plants, and animals. The Dengue virus is a mosquito-borne viral disease occurring in tropical and subtropical areas. Scientists at the University of California, Berkley have identified a key culprit responsible for the severe symptoms related to Dengue fever.
Researchers see promise in using an off-the-shelf fabric in athletic coaching and physical therapy, and another group of scientists are studying how pyroclastic flows defy friction. Other segments include new techniques to test for viral infections and the design of a new robot. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
Details the anatomy of the honeybee. Also details the roles of drones, worker bees, the queen, and the mystery of the honeybees' dance. Follows the Colony Collapse Disorder (CCD) problem to a variety of laboratories, investigating the pathology of bee diseases that are wiping out entire colonies and affecting our food supply. Concludes with the discovery that a viral infection is the most likely cause of CCD but warns that bees are subject to many other stresses that can upset the ecological balance and wipe out our supplies of fruits and vegetables.
Welcome to the North Carolina State University (NCSU) Phytotron, a singular facility for growing plants under various combinations of strictly controlled environmental conditions. Scientists are able to conduct all types of plant research here, from studies of disease-resistant crops to drought-proof grasses to new biofuels. The NCSU Phytotron was built in the 1960s with support from the National Science Foundation (NSF), and was used a decade later to help prevent a collapse in the U.S. corn crop from fungal disease. Now, after more than a generation of such research breakthroughs, the Phytotron has received additional support from NSF for a 21st century makeover. The renovations include a new Biosafety Level 3 (BSL-3) lab with a greenhouse that houses high security research, such as experiments with viral and bacterial pathogens. Part of the National Science Foundation Series “Science Nation.”
