| May 11, 2012 |
Podcast for 11 May 2012
- BIRDS & DINOSAURS - Scientists discover T. Rex's feathered cousin, did dino gas warm the ancient earth? And giant fleas that may have pestered the prehistoric giants. Also: why the amorous pursuits of an Australian bird has turned it into a horticulturalist, and how ravens keep track of friend and foe.
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Dinosaur Roundup
- Dinosaurs may have contributed to ancient global warming.
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| April 23, 2012 |
Penguins from Space
- Researchers have estimated the total number of Emperor Penguins in Antarctica using satellite images.
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| April 19, 2012 |
Raindrop Fossils
- Raindrop impressions, preserved for 2.7 billion years, reveal clues about the early Earth's climate.
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| April 13, 2012 |
Podcast for 13 April 2012
- CHEMISTRY & LIFE - What 2-billion-year-old raindrop fossils can tell us about conditions on the early earth. What science is revealing about the artwork of Leonardo da Vinci and Vincent Van Gogh. And a breakthrough in materials science technology yields plastic that can repair itself.
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| March 15, 2012 |
Extremely Tiny Horses
- Ancient horses shrank when global temperatures rose.
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| February 18, 2012 |
Podcast for 18 February 2012
- AAAS 2012 ANNUAL MEETING SPECIAL - This week, we're coming to you from Vancouver, British Columbia, where scientists are gathering to tackle issues or global importance, such as how to boost crop productivity to feed a growing population, and making cookstoves safer for the world's poor. Also: video games to combat cataracts, and ultra-thin electronics printed with silver ink.
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| February 17, 2012 |
Safer Cookstoves
- Cleaner cookstoves could save millions of lives and slow global warming.
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| February 10, 2012 |
Podcast for 10 February 2012
- Are cyclones and earthquakes related? Why recent bad winters may be the result of global warming. And what life might be like on a planet with two stars. Also: we answer a listener's question about the temperature of the sun.
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| January 31, 2012 |
Twin Star Planets
- Planets with two stars could have wild climates.
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| January 30, 2012 |
Warming & Winter
- Arctic warming may actually be keeping winters cold for now, while raising temperatures in the other three seasons.
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| January 17, 2012 |
Earthquakes & Cyclones
- Bad storms in Taiwan and Haiti may have contributed to earthquakes there.
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| December 7, 2011 |
Supercooled Water
- On a molecular level, water doesn't have to become ice until minus-55 degrees Fahrenheit.
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| November 18, 2011 |
Critters & Climate Roundup
- Could the swimming of sea creatures be influencing climate change?
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| November 11, 2011 |
Podcast for 11 November 2011
- ANIMALS & HEALTH - Why one insect's mating habits could lead to its downfall, why predators are literally scaring dragonflies to death, and pythons reveal the benefits of having a big heart. Also: why animals swimming in the ocean may be affecting the global climate.
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| November 2, 2011 |
Ocean Bacteria Communication
- Changes in chemical signaling among ocean bacteria may be impacting the global climate.
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| October 28, 2011 |
Podcast for 28 October 2011
- SCIENCE UNDERWATER - Why the seas of the future may belong to jellyfish, why fish tanks can be breeding grounds for aggression, how chatter between ocean bacteria contributes to climate change, and good news about sea turtles. Also, scientists unveil the first underwater cloaking device.
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| October 21, 2011 |
Podcast for 21 October 2011
- PREVENTIVE HEALTH - Vitamin D and ethnicity, a breath test for toxins, drinking and the immune system, measuring pain in the brain, and a new weapon to combat allergic reactions.
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| October 10, 2011 |
Vitamin D & Ethnicity
- African-American men living in high latitudes are often deficient in Vitamin D.
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| September 9, 2011 |
Podcast for 9 September 2011
- MARVELS OF EVOLUTION - A prehistoric pregnancy clears up a Mesozoic mystery. The economics of plant-fungi cooperation. How to get six butterflies in one. Counting up the species on earth. And how your stress could be bad news for your mate if you're a finch.
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Species Roundup
- A new study documents the rate at which species are moving toward the poles or up the sides of mountains to escape climate change.
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| August 12, 2011 |
Climate Roundup
- Climate scientists who want to know how airplanes might affect the climate are gaining new insights by looking nearly seventy years into the past.
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| June 15, 2011 |
Habitable Exoplanet
- Climate modeling has identified the first exoplanet that really could support life.
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| June 14, 2011 |
Ozone-Scrubbing Skin
- Dead skin flakes in dust help remove ozone from indoor air.
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| June 3, 2011 |
Podcast for 3 June 2011 – Searching for Life in Outer Space
- Astronomers are using new tools to look for life in outer space. And, the search for intelligent life in the universe is targeting the best candidate planets. Also: how tsunamis impact sealife.
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| April 9, 2011 |
Podcast for 8 April 2011
- Football and family violence, rooting out insects, a question of taste, and a bird's eye view for danger.
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| April 6, 2011 |
Medications & Sunshine
- Sun exposure may change the way we metabolize some medicines.
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| March 25, 2011 |
Podcast for 25 March 2011
- A new generation of self-conscious robots, how sunshine affects drugs in the body, new research into the prevention of cleft lips, why it's hard to stay focused for long periods of time, and what sound recordings can tell us about the health of natural habitats.
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| March 21, 2011 |
Aeroecology
- The new science of aeroecology uses modern tools such as radar and thermasl imaging to follow the migrations of flying birds, bats, and insects.
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| February 24, 2011 |
Similar Snowflakes
- A listener asks: Why do snowflakes appear so similar to each other?
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| February 3, 2011 |
Eating Insects
- Eating insects might sound yucky, but doing so could cut down on greenhouse gas emissions.
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| January 12, 2011 |
City Light Pollution
- City lights may prevent the air from cleansing itself of pollutants.
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| December 1, 2010 |
Cloud Seeding
- A new report attributes "successful" cloud seeding to unrelated, natural weather patterns.
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| November 25, 2010 |
Crops & Carbon
- Replacing native plants with crops diminishes the Earth's ability to store carbon.
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| November 19, 2010 |
Podcast
- A genetic explanation for why some people with the HIV virus never develop symptoms, how the shape of the genome influences how genes work, and a religious practice that's shaping the evolution of a Mexican fish. Also: cloud seeding gets a failing grade, and why replacing native plants with crops accelerates climate change.
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| November 5, 2010 |
Weird Meteorology Roundup
- Scientists have evidence that the phase of the moon can affect rainfall.
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| October 12, 2010 |
White Clouds
- If water droplets are clear, why do the clouds that form from them appear white?
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| October 8, 2010 |
Podcast
- SPACE UPDATE: NASA prepares to launch a human-like robot into space, engineers are designing a more efficient system for launching payloads into orbit, why microwaves aren't as dangerous as some people think, and the physics behind the color of clouds.
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| October 6, 2010 |
Edgy Clouds
- A listener asks why clouds have such well-defined edges.
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| September 22, 2010 |
Mica Life Hypothesis
- A new hypothesis suggests that life began between ultra-thin sheets of minerals.
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| September 17, 2010 |
Podcast
- AIR & SPACE: The moon is shrinking - slowly, astronomers discover a solar system similar to our own, exploring the moons of Jupiter, how satellite-based mapping programs can help during natural disasters, and why clouds have distinct borders.
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Water Quality Roundup
- Salt used to de-ice snowy streets causes damage to both roadways and waterways.
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| September 13, 2010 |
Moons of Jupiter
- Designing instruments for planned missions to explore Jupiter's many moons requires a combination of scientific acumen and engineering skill.
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| August 30, 2010 |
Cold Heart Attacks
- The risk of a heart attack increases as temperatures go down.
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| August 24, 2010 |
Sunscreen Timing
- A listener asks: how long should you wait after applying sunscreen before going outside?
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| August 18, 2010 |
Tibetan Adaptation
- Tibetans have a unique genetic adaptation that allows them to survive high altitude, low oxygen conditions.
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| August 12, 2010 |
Greener Air Conditioning
- A new air conditioning system may use up 90 percent less energy than current models.
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| August 9, 2010 |
Changing Oceans
- The effect of climate change on the world's oceans may have dire consequences for humans.
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| August 6, 2010 |
Podcast
- SUNSCREEN & SUPPLEMENTS: Sunscreens from ivy, why tanning oil speeds up skin damage, and when to apply sunscreen. Also: the link between fructose and pancreatic cancer, and over-the-counter weight-loss supplements fail the grade.
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| August 3, 2010 |
NEON Ecological Network
- Scientists are planning a large-scale ecological observatory network.
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