Topic: Chemistry

January 13, 2014 Caterpillar Halitosis - A tobacco-eating caterpillar creates the equivalent of smoker's breath to scare off predators.
January 7, 2014 Boosting Photosynthesis - Researchers are trying to boost the efficiency of photosynthesis in crops like soybeans, rice and potatoes to feed the world’s growing population.
December 31, 2013 Carbon Capture - Could injecting greenhouse gases into earth’s crust help curb global warming?
December 19, 2013 Cooking Spray - How can companies claim that cooking sprays are “fat-free” if the first ingredient is oil?
December 13, 2013 Shark Isotopes - Researchers are testing better ways to find out what sharks eat.
December 12, 2013 Artificial Dye Safety - Some people argue that food dyes are harmful to human health, but do decades of safety research back up these allegations?
December 7, 2013 Podcast for 6 December 2013 - LIFE ON THE EGDE - The challenges facing endangered California Condors when they return to the wild. Could armadillos help end blindness? How scientists can tell that sharks really are what they eat. Fuel from the sea. And, unraveling the mysteries of glowing blue slime.
November 27, 2013 Glowing Slime - Glowing blue slime from the sea could be useful in biomedical research.
November 13, 2013 Cold Turkey - Quitting drugs cold turkey may trigger neurological damage.
October 14, 2013 Changing Foliage - Climate change may affect fall foliage in many different ways.
October 1, 2013 Everyday Objects Roundup - Discarded compact discs could be used to treat wastewater.
September 20, 2013 Mosquito Smell Cycle - Researchers have discovered that mosquitoes have a better sense of smell at night.
September 10, 2013 Birds Fight Global Warming - The highly efficient lungs of birds are inspiring climate-friendly carbon-capturing filters.
September 6, 2013 Podcast for 6 September 2013 - The Ugly Animal Preservation society uses humor to raise awareness about conservation. Why whales have to worry about sunburns. And an ancient terror bird that wasn't so terrible after all. Also: transplanting gut bacteria from obese humans makes mice fat.
September 4, 2013 Iron Beads from Space - Ancient Egyptians fashioned beads out of iron from meteorites.
August 30, 2013 Podcast for 30 August 2013 - PRE-HISTORIC SCIENCE - Is there a connection between hot weather and violence? And, were our ancestors really as warlike as we make them out to be? Also, did ancient Egyptians jewelry have extraterrestrial origins? And, were spices part of ancient European cuisine?
Prehistoric Spice Roundup - Did prehistoric humans spice up their meals with mustard?
August 28, 2013 Yucky Medicines - Scientists are trying to learn how to make bitter medicines taste better, especially to kids.
August 22, 2013 Grapefruit & Medications - Grapefruit can interact in potentially dangerous ways with a variety of prescription medications.
August 14, 2013 Artificial Dyes - Some people argue that food dyes are harmful to human health, but do decades of safety research back up these allegations?
August 2, 2013 Longevity Markers - Low birth weight, unhealthy aging, and chemical signatures in the blood may all be intertwined.
July 30, 2013 Cancer-Sniffing Scalpel - A new surgical knife can tell if it's cutting a tumor or healthy tissue.
July 18, 2013 Refreshing Blood - Replenishing stored blood's nitric oxide may make transfusions more effective and less risky.
June 21, 2013 Vegetable Rhythms - Keeping produce on a normal day/night schedule could improve its nutritional value.
June 19, 2013 Microbe Roundup - Microscopic organisms represent a vast, unexplored territory for biologists trying to understand the earth’s ecology—including the ecology inside our homes and even our bodies.
June 14, 2013 Podcast for 14 June 2013 - WHEN SCIENCE MEETS HISTORY - Ocean temperature records from a 19th century research ship confirm global warming. Reviving plants hidden under glaciers for centuries. Tracing the genetic origins of the blight that started the Irish Potato Famine. And uncovering evidence of lead pollution in Spain from 4,000 years ago.
June 7, 2013 Unusual Species Roundup - Rare species can have a surprising impact on ecosystems.
May 31, 2013 Medicine from Animals Roundup - Some of the most useful medicines come from dangerous toxins found in nature.
May 30, 2013 Itch Molecule - Researchers have identified a molecule that's essential for itching.
May 29, 2013 A Beetle Battle - An invasive ladybird beetle kills off native species with microorganisms in its body.
May 23, 2013 How Fluoride Works - Fluoride protects teeth in surprising ways.
May 22, 2013 Seabirds & Pollution - Seabirds and their eggs help scientists track global pollution.
May 14, 2013 Ancient Lead Pollution - Humans were polluting the air with lead as far back as 3,900 years ago.
May 3, 2013 Cryo Roundup - Researchers are using extremely cold temperatures to treat pain and cancer.
April 26, 2013 Fantastic Voyage Roundup - Researchers have developed medical implants that dissolve after they've done their job.
April 24, 2013 Zapping Cocaine Addiction - Lasers can eliminate cocaine addiction in rats, pointing to new therapies for humans.
April 19, 2013 Fruit Fly Roundup - Fruit flies are providing researchers with insights into wound healing and Parkinson’s disease.
April 18, 2013 Sticky Geckos - Researchers are learning what surfaces geckos stick to best.
April 12, 2013 Cholesterol Roundup - Despite its reputation, cholesterol may be useful for treating several medical conditions.
April 3, 2013 Remote Blood Testing - Researchers have developed an implantable blood testing sensor that can monitor blood glucose levels and chemotherapy drugs, among other things.
March 18, 2013 Newborn Vaccines - Researchers have identified a molecule that could help turn on newborn babies’ immune systems.
March 15, 2013 Podcast for 15 March 2013 - An ancient pigment with futuristic applications, the hidden electricity between flowers and bees, and a new, improved anti-fog coating. Also: the unlikely history of camels.
March 13, 2013 Alcoholic Insects - Fruit flies sometimes marinate their young in alcohol to protect them from parasitic wasps.
March 7, 2013 Egyptian Blue - The world's oldest artificial pigment, Egyptian Blue, has previously unknown and potentially useful properties.
February 26, 2013 Tricking the Sweet Tooth - Understanding the chemical composition of tomatoes could help manufacturers decrease the sugar content of processed foods.
February 19, 2013 Zinc & Inflammation - Researchers have pinpointed zinc's role in moderating inflammation.
February 16, 2013 Podcast for 16 February 2013 - 2013 AAAS ANNUAL MEETING, BOSTON, MA - Researchers are discussing how to treat psychological problems in chimpanzees, and why childbirth is such an ordeal in humans but not in apes. Also: scientific detectives have solved an art mystery. And researchers have unveiled ultrathin, wireless sensors that can monitor your brain activity.
February 11, 2013 Podcast for 8 February 2013 - MICROBIAL LIFE - How antibiotic-resistant bacteria spread, tracing HIV back millions of years, and how life thrives among the storm clouds. Also, a listener's question about the common cold.
Storm Cloud Life - A world of bacterial life inhabits storm clouds high in the atmosphere.
January 1, 2013 Smartphone Allergy Tester - Smartphones with a small device attached can be used to test for food allergies.