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Global Challenges/Chemistry Solutions

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Taking inspiration from trees, scientists have developed a battery made from a sliver of wood coated with tin that shows promise for becoming a tiny, long-lasting, efficient and environmenta...

Episodes

20 of 103 episodes

Promoting Public health: Toward a vaccine for methamphetamine abuse

Today’s solution addresses the development of a potential vaccine to fight methamphetamine abuse. Methamphetamine abuse costs the United Sta...

Sep 12, 2011

Providing Safe Foods: Safety of nanoparticles in food crops is still unclear

Today’s solution sounds a warning bell about the much-anticipated new era of nanoagriculture — using nanotechnology to boost the productivit...

Aug 24, 2011

Developing New Materials: Using banana peels to purify water

A study in the American Chemical Society’s journal, Industrial and Engineering Chemistry Research, reports that minced banana peel performs...

Aug 10, 2011

Our Sustainable Future: A “green grid” for delivering solar and wind-based electricity

Today’s solution addresses the development of a “green grid” to more efficiently deliver solar and wind-based electricity.

Jul 25, 2011

Promoting Public Health: Toward new medication for chronic brain diseases

A needle-in-the-haystack search through nearly 390,000 chemical compounds has led scientists to a substance that can sneak through the prote...

Jul 11, 2011

Developing New Sources of Energy: Self-powered nanogenerator uses body movements to generate electricity, transmit data wirelessly

Today’s solution is A first-of-its-kind nanogenerator that can produce electricity using energy from a gentle breeze, movements of a person...

Jun 27, 2011

Our Sustainable Future: “Green” cars made from pineapples and bananas

Today’s solution explains how manufacturers building hybrids that have excellent gas mileage, can create stronger, lighter, and more sustain...

Jun 13, 2011

Combating Disease: New rapid diagnostic test for MRSA Superbugs

Today’s solution is a new blood test that can quickly tell whether patients are infected with an antibiotic-resistant bacterium that’s becom...

May 23, 2011

Our Sustainable Future: A greener process for a key ingredient used to make paint, diapers, and other products

A study published in the American Chemical Society’s journal, ACS Catalysis, reports that scientists have developed a new catalyst that prov...

Apr 25, 2011

Our Sustainable Future: Biodegradable plastic from milk and clay

With continuing concern about plastic waste accumulating in municipal landfills, and reliance on imported oil to make plastics, scientists h...

Jan 12, 2011

Promoting Public Health: Black rice bran may fight inflammation

Scientists are reporting evidence that black rice — a little-known variety of the grain that is the staple food for one-third of the world p...

Nov 25, 2010

Supplying Safe Drinking Water: Electrified nano filter promises to cut costs for clean drinking water

Scientists are reporting development and successful initial tests of an inexpensive new filtering technology that kills up to 98 percent of...

Nov 18, 2010

Our Sustainable Future: Saving energy by reducing food waste

A new study published in the American Chemical Society’s Environmental Science and Technology journal provides a compelling new reason not t...

Oct 28, 2010

In the green of health: Just five minutes of green exercise optimal for good mental health

New research suggests that just five minutes of outdoor activities, such as exercising in a park, working in a backyard garden or walking on...

Oct 21, 2010

Future Cities: Nanotechnology promises more sustainable buildings, bridges, and other structures

Bricks, blocks, and steel I-beams — step aside. That’s because scientists are reporting that a new genre of construction materials, made fro...

Sep 7, 2010

Developing new sources of energy: Producing cost-effective biodiesel from sewage sludge

Existing technology can produce biodiesel fuel from municipal sewage sludge that is within a few cents a gallon of being competitive with co...

Sep 1, 2010

Our Sustainable Future: “Smart” roofs that can save energy

Scientists are reporting development of a “smart” roof coating, made from waste cooking oil from fast food restaurants, that can “read” a th...

Aug 30, 2010

Promoting Public Health: Dusting off a hidden challenge

Where does dust come from? Scientists in Arizona are reporting a surprising answer to that question, which has puzzled and perplexed generat...

Jul 19, 2010

Promoting Public Health: Toward a fast, accurate urine test for pneumonia

Scientists are reporting the discovery of the potential basis for a urine test to diagnose community-acquired pneumonia (CAP), a difficult-t...

Jun 24, 2010

New fuels: Biofuels: A more economical process for making ethanol from non-food sources

Scientists in Wisconsin are reporting discovery of a way to lower the cost of converting wood, corn stalks and leaves, switch grass, and oth...

Jun 10, 2010