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Posts by
Jorge Salazar
Mars mineral may mean life-friendly past
A study that's opened up the possibility that life existed on the planet Mars deep in its past. The science team of a NASA mission looks at a Mars mineral on its surface.
February 17, 2009
George Doschek studies sun’s surface, corona
Solar physicist George Doschek of the Naval Research Laboratory spoke to EarthSky on what scientists are learning about the sun's atmosphere.
February 11, 2009
Dickson Despommier: Vertical farms feed cities from skyscrapers
Microbiologist Dickson Despommier envisions 'vertical farming' in city buildings - growing produce, even fish and poultry, in vertical greenhouses.
February 6, 2009
Tectonics happening on Enceladus!
Astronomer Paul Helfenstein talks about some exciting tectonics - geological movements - on the planet Saturn's icy moon Enceladus.
January 29, 2009
Space moth: New solar system interacts with interstellar gases
Astronomer Dean Hines talk about an enormous, moth-shaped bunch of interstellar gas and dust showing signs of planet formation, it's dubbed "Space moth".
January 28, 2009
Peter Gleick sees growing water scarcity and conflict
As a nation we're relatively well-endowed with water. But environmental scientist Peter Gleick warns, "the problem is that regionally we see growing scarcity. We see growing conflicts over water."
January 17, 2009
Ilan Koren on smoke and clouds over the Amazon
In this 8 minute podcast, atmospheric scientist llan Koren talks about how smoke over the Amazon affects not only the immediate forest, but also global climate because of its dramatic impact on Earth’s clouds.
January 6, 2009
Henry Cisneros speaks out for new urbanism
Henry Cisneros, former U.S. Secretary of Housing, on 'new urbanism.' What it means is front porches, back yards, green space, sidewalks that work...
December 14, 2008
How human culture evolved with Paul Ehrlich
Biologist and author Paul Ehrlich talks about the single biggest step forward in all of human history. Read more about human culture and its evolution.
November 28, 2008
How humans came to dominate the Earth
Paul Ehrlich of Stanford explains his ideas on why we humans dominate Earth. He says that our genetic evolution gave us things like dextrous fingers and binocular vision, but what put us over the top was our cultural evolution.
November 25, 2008
