SciFri Radio: Geology

SciFri Radio: Geothermal Energy
As part of our ongoing series on alternative energy sources, we'll take a look at methods to harvest energy from the heat beneath the surface of...

SciFri Radio: Off-Shore Drilling Pluses and Minuses
In this segment, we'll talk about the realities of offshore oil drilling. How much oil might there be? When would it be available? And what other...

SciFri Radio: The Scoop on Soil
Soil may be good for growing things in -- but it's also an important player in climate change. We'll talk with a soil scientist about the...

SciFri Radio: The Possibility of Earthquake Prediction
Can new forms of seismic monitoring be used to predict earthquakes?

SciFri Radio: Planetary Science Update
Mars has water ice in its soil -- and could Mercury be shrinking? In this segment, we'll get the latest from around the solar system, checking in...

SciFri Radio: The Dry Sahara
What made the Sahara Desert go dry -- and is there any water there left to be found?

SciFri Radio: Water Power Cracks Ice Sheet
Researchers working on the Greenland Ice Sheet describe a flow of water exceeding that of Niagara Falls.

SciFri Radio: Antarctic Glaciers Moving to the Sea
Glaciers in a remote part of Antarctica appear to be speeding up their slide towards the sea. We'll talk with a researcher trying to figure out why.

SciFri Radio: How Old is the Grand Canyon?
New research gives a date to the start of the formation of the Grand Canyon -- 17 million years ago.

SciFri Radio: Amir Aczel 'The Jesuit and the Skull'
In this segment, Ira talks with author Amir Aczel about his new book 'The Jesuit and the Skull, a biography of priest and scientist Pierre Teilhard...

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Particles of Science

Free the River

SciFri guest Ivor van Heerden says that perhaps the best thing we can do to protect coastal Louisiana against hurricanes is to let the river run wild. Listen to van Heerden. This allows new wetlands to be created, which can reduce wave energy significantly.

Vaccine Safety

Wary of vaccinations? SciFri guest, Paul Offit, says vaccines are probably more rigorously tested than anything else we consume. Listen to Dr. Offit.

Itsy Bitsy Spacecraft

SciFri guest Aaron Rowe explains the advantages of smaller spacecraft: Listen. Find out about a new development in the micro craft design--a material that can change color depending on whether the craft is in sun or shadow to reflect or absorb light. Listen to Rowe.

This Just In: Cattail Fuel

Ethanol isn't all about corn. SciFri guest David Blume suggests fuel from cattails. Listen here. They also clean the water and grow like weeds. Learn more.

SciFri Newsbriefs: Geology

Newsbrief: Watering Pole
Mars has enough frozen water to cover the planet in 36 feet of water.

Newsbrief: Next Great Quake?
Are scientists getting any better at earthquake prediction?

Newsbrief: Tiny Time Capsule
A tiny ancient crystal is packing the geologic history of the Earth

SciFri Videos: Geology

Video: The Sahara: Seen Wetter Days
Did you know that the Sahara Desert used to be green? Farouk El-Baz, the director for the Center of Remote Sensing at Boston University, explains...