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Earth and Sky (Information)

  • Next available on Catholic Radio 88.1 in 7 hours 4 minutes
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  • Host: Deborah Byrd, Joel Block
  • Stories highlight the wonders of science and nature. They feature astronomy, biology, chemistry, Earth science, environmental science, physics, and more.
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Undersea gliders monitor Atlanticcurrents

Wed, Jan 7 Listen
David Smeed of the National Oceanography Center in England talks about recently launched robot gliders that are monitoring a system of currents, known as the Atlantic heat conveyor, which influences European climate.

What does it mean to build a betterbee?

Tue, Jan 6 Listen
Honey bees in the United States are in drastic decline. EarthSky spoke to bee breeder Susan Cobey of the University of California Davis about building a better bee.

Earth closest to sun on January 4, 2009

Sun, Jan 4 Listen
January 4, 2009. Our planet swings closest to the sun today, while its winter in the northern hemisphere. In early July, the Earth will be at its farthest point from the sun during northern hemisphere summer.

Latest sunrise, sunset at temperatelatitudes

Sat, Jan 3 Listen
January 3, 2009. At temperate latitudes in the northern hemisphere like those in the US and Europe the latest sunrises of the year come around now.

Will you see the meteor shower thisweekend?

Fri, Jan 2 Listen
January 2, 2009. The Quadrantid meteor shower rates as a major shower but few people ever see it. This meteor shower makes its best showing before dawn this weekend, as seen from middle and far northern latitudes.

Can ants belazy?

Thu, Jan 1 Listen
Scientists have noticed that ants tend to specialize in jobs within their colonies. Biologist Anna Dornhaus at University of Arizona wanted to know if this makes ants more efficient, or less.

How different from Earth are distantexoplanets?

Wed, Dec 31 Listen
Astronomer Dave Charbonneau talks about searching distant solar systems light-years away for a planet like Earth with a life-giving atmosphere.

Will we live in a post-humanfuture?

Tue, Dec 30 Listen
Hear Nick Bostrom, director of the Future of Humanity Institute at Oxford University talk about transhumanism the belief that human life will be radically enhanced in the future.

Look west after sunset for moon,planets

Mon, Dec 29 Listen
December 29, 2008. The first star to pop into view tonight is no star at all but the blazing planet Venus. The moon and Jupiter are up barely an hour after sunset, and if your sky is clear, youll also see a third planet Mercury nearby.

MacArthur ‘genius’ on blackholes

Sun, Dec 28 Listen
Hear astronomer Andrea Ghez of UCLA, who received a 2008 MacArthur genius grant for her work on black holes. Shes proved not only that supermassive black holes exist, but that one exists at the very center of our galaxy.

Engineering built aroundpedestrians

Sat, Dec 27 Listen
Michael Fishman of Columbia University uses the term “pedestrian engineering” to describe a way of designing public space with walkers in mind.

Most detailed view yet of Milky Waycenter

Fri, Dec 26 Listen
Astronomer Barbara Whitney of the Space Science Institute talked about a new mosaic image of the dusty center of our Milky Way galaxy made by piecing together over 800,000 separate images.

Sea-going scientists find gigantic seacreatures

Thu, Dec 25 Listen
Marine scientist Martin Riddle led a voyage to probe the seabed of the Southern Ocean near Antarctica. Hear about the astounding creatures he saw there.

Research identifies U.S. climate change hotspots

Wed, Dec 24 Listen
By the end of this century, experts say, Earth’s climate will have changed. Noah Diffenbaugh of the Purdue Climate Change Research Center said that here in the U.S., the climate in the southwestern states might change most,

Looking for excitement is wired into yourbrain

Tue, Dec 23 Listen
Would you rather go rock climbing, or stay home? EarthSky spoke to neuroscientist Mike Cohen, who said that part of the decision may be hardwired in to your brain.

A fungus that can turn waste intofuel

Mon, Dec 22 Listen
Gary Strobel, a professor of plant sciences, talked to EarthSky about a fungus he discovered that can turn straw into a key component of diesel fuel.

December solstice ushers in change ofseasons

Sun, Dec 21 Listen
December 21, 2008. The December solstice sometimes called the southern solstice marks the instant the sun reaches its southernmost point in our sky for the year.

Beetles may battle invasive trees inTexas

Sat, Dec 20 Listen
Wildlife expert Carter Smith talks about using a kind of flea beetle to rescue Texas watersheds from the grips of an invasive species of tree.

Scientists develop Species DistributionGrids

Fri, Dec 19 Listen
Information systems expert Malanding Jaiteh of Columbia University talks about a species mapping project that could help prevent deforestation and improve forest resources given the rapidly changing global environment.

Neuroscientists explore ‘nature versus nurture'

Thu, Dec 18 Listen
EarthSky spoke with Dr. Jay Giedd, a neuroscientist at the National Institute of Mental Health, about lingering questions on nature versus nurture.

Space aliens know we’re here, scientistsays

Tue, Dec 16 Listen
Astronomer Richard Henry of Johns Hopkins University believes that alien life might be trying to contact us via radio signals. He talked to EarthSky about how they might have found out about us.

Why can’t everything berecycled?

Tue, Dec 16 Listen
Recycling expert Jeremy OBrien responds to a students question about why some materials can be recycled and others can not.

Forests are a family value, saysexpert

Mon, Dec 15 Listen
Neil Sampson, president of a company that consults on forests and climate, said that private forest owners play an essential role in keeping wooded land growing and healthy. and Americans who don’t own wooded land still reap the benefits of forests.

Henry Cisneros speaks out for ‘new urbanism’

Sun, Dec 14 Listen
Henry Cisneros, former U.S. Secretary of Housing, on new urbanism. What is means, said Cisneros, is front porches, back yards, green space, sidewalks that work, communities that are oriented more toward people walking as opposed to driving. Hear more from Cisneros..

Bright moon washes out 2008 Geminidmeteors

Sat, Dec 13 Listen
December 13, 2008. The annual Geminid meteor shower is expected to peak tonight. But this year the nearly full moon will wash out all but the brightest Geminid meteors from view.

Closest and largest full moon since March ‘93

Thu, Dec 11 Listen
December 12, 2008. On Friday, the moon will be less than 357,000 kilometers or 222,000 miles away. After this date, the moon wont come this close to Earth for another 8 years.

Sensor gives astronauts instant medicalfeedback

Wed, Dec 10 Listen
Dr. Babs Soller has worked for a decade on a wearable, non-invasive sensor that uses light to measure the metabolic rates of astronauts. She said data from this sensor could be used for hospital patients on Earth to avoid life-threatening situations.

Guy Ottewell on celebration, eclipse, rings in 2009

Tue, Dec 9 Listen
Renowned amater astronomer Guy Ottewell talks about his annual Astronomical Calendar and some of the skys upcoming highlights for 2009.

Why is cancer so hard tocure?

Sun, Dec 7 Listen
Cancer biologist Kent Hunter responds to a students question about its so hard to find a cure for cancer.

Rodinia supercontinent more ancient thanPangea

Sat, Dec 6 Listen
You might have heard of the ancient supercontinent, Pangea. But according to geologist Paul Myrow, there could be an even older supercontinent, known as Rodinia.

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