Ranked #1
Combating Disease: A non-antibiotic approach for treating urinary tract infections
Combating Disease: A non-antibiotic approach for treating urinary tract infections
Today’s episode describes a potential new approach for treating urinary tract infections (UTIs) without traditional anti... Read more
13 Aug 2012
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Ranked #2
Supplying Safe Drinking Water: New analysis of drinking water-related gastrointestinal illness
Supplying Safe Drinking Water: New analysis of drinking water-related gastrointestinal illness
Today’s episode describes a study finding that the distribution system piping in U.S. public water systems that rely on ... Read more
26 Nov 2012
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Ranked #3
Episode 5 – Our Sustainable Future
Episode 5 – Our Sustainable Future
How some of the world's leading chemists are meeting the challenge of sustainability.Intro theme and music by Kevin MacL... Read more
20 Aug 2008
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Ranked #4
Providing Safe Food: Children may have highest exposure to titanium dioxide nanoparticles
Providing Safe Food: Children may have highest exposure to titanium dioxide nanoparticles
Today’s finding warns that children may be receiving the highest exposure to nanoparticles of titanium dioxide in candy,... Read more
16 Apr 2012
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Ranked #5
Supplying Safe Drinking Water: Solar-powered nanofilters pump in antibiotics to clean contaminated water
Supplying Safe Drinking Water: Solar-powered nanofilters pump in antibiotics to clean contaminated water
Using the same devious mechanism that enables some bacteria to shrug off powerful antibiotics, scientists have developed... Read more
15 Jul 2013
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Ranked #6
New Fuels - Biofuels: Meeting biofuel production targets could change agricultural landscape
New Fuels - Biofuels: Meeting biofuel production targets could change agricultural landscape
Almost 80 percent of current farmland in the U.S. would have to be devoted to raising corn for ethanol production in ord... Read more
29 May 2012
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Ranked #7
Our Sustainable Future: An environmentally friendly battery made from wood
Our Sustainable Future: An environmentally friendly battery made from wood
Scientists are reporting development and successful lab tests on the first potential drug to pack a lethal one-two punch... Read more
14 Oct 2013
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Ranked #8
Our Sustainable Future: Rivers flowing into the sea offer vast potential as electricity source
Our Sustainable Future: Rivers flowing into the sea offer vast potential as electricity source
Today’s solution is a new genre of electric power-generating stations that could supply electricity for more than a half... Read more
23 Jul 2012
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Ranked #9
Combating Disease: First dual-action compound kills cancer cells, stops them from spreading
Combating Disease: First dual-action compound kills cancer cells, stops them from spreading
Scientists are reporting development and successful lab tests on the first potential drug to pack a lethal one-two punch... Read more
30 Sep 2013
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Ranked #10
Our Sustainable Future: Cotton offers a new ecologically friendly way to clean up oil spills
Our Sustainable Future: Cotton offers a new ecologically friendly way to clean up oil spills
With the Deepwater Horizon disaster emphasizing the need for better ways of cleaning up oil spills, scientists are repor... Read more
25 Jul 2013
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Ranked #11
Episode 11 – Providing Safe Food (Part 2 of 2)
Episode 11 – Providing Safe Food (Part 2 of 2)
Blueberries, raspberries and grapes bursting with flavor. A luscious, silky morsel of chocolate melting into a mouthful’... Read more
23 Nov 2008
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Ranked #12
Supplying Safe Drinking Water: The first caffeine-‘addicted’ bacteria
Supplying Safe Drinking Water: The first caffeine-‘addicted’ bacteria
Some people may joke about living on caffeine, but scientists now have genetically engineered E. coli bacteria to do tha... Read more
10 Jun 2013
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Ranked #13
Episode 9 – New Fuels (Part 2 of 2)
Episode 9 – New Fuels (Part 2 of 2)
Join Global Challenges as it investigates a suite of new fuels and energy sources that may help to power society in the ... Read more
30 Oct 2008
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Ranked #14
Episode 8 – New Fuels (Part 1 of 2)
Episode 8 – New Fuels (Part 1 of 2)
Amid growing concern about high gasoline prices, global warming, and limited resources of petroleum, scientists and engi... Read more
16 Oct 2008
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Ranked #15
Promoting Public Health: Redefining DNA: Darwin from the atom up
Promoting Public Health: Redefining DNA: Darwin from the atom up
DNA is the blueprint for every organism that ever swam, flew, crawled or walked on earth. Now, four billion years of evo... Read more
22 Jul 2009
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Ranked #16
Confronting Climate Change - Stop-Gap Measures to Reduce Greenhouse Gas Emissions: Big environmental footprints: 21 percent of homes account for 50 percent of greenhouse gas emissions
Confronting Climate Change - Stop-Gap Measures to Reduce Greenhouse Gas Emissions: Big environmental footprints: 21 percent of homes account for 50 percent of greenhouse gas emissions
Energy conservation in a small number of households could go a long way to reducing greenhouse gas emissions, scientists... Read more
28 Oct 2013
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Ranked #17
Supplying Safe Drinking Water: “Miracle tree” substance produces clean drinking water inexpensively and sustainably
Supplying Safe Drinking Water: “Miracle tree” substance produces clean drinking water inexpensively and sustainably
Today’s solution uses the seeds of the miracle tree to produce clean drinking water. The water-treatment process requiri... Read more
27 Feb 2012
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Ranked #18
Episode 3 – Confronting Climate Change (Part 1): Stopgap measures to reduce greenhouse gas emissions
Episode 3 – Confronting Climate Change (Part 1): Stopgap measures to reduce greenhouse gas emissions
Confronting global climate change by reducing emissions of greenhouse gases.Intro theme and music by Kevin MacLeod (inco... Read more
23 Jul 2008
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Ranked #19
Episode 12 – Promoting Public Health
Episode 12 – Promoting Public Health
Life expectancy in the 20th Century rose by about 30 years. Advances in protecting the public health were responsible fo... Read more
4 Dec 2008
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Ranked #20
Episode 7 – Combating Disease
Episode 7 – Combating Disease
Despite the revolutionary medical advances in the 20th Century, great challenges lie ahead in our fight against disease.... Read more
24 Sep 2008
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