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USGS CoreFacts

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Episodes for Apr

158	Were dinosaurs social animals? Tagged: dinosaurs Apr 2009 (Back to Main Page) Published: 4/29/2009 Transcript/Links \| Download directly (right-click to save)

157	What is a "lava dome"? Tagged: lava volcanoes hazards Apr 2009 (Back to Main Page) Published: 4/22/2009 Transcript/Links \| Download directly (right-click to save)

156	What is the difference between intensity scales and magnitude scales? Tagged: earthquakes hazards magnitude Apr 2009 (Back to Main Page) Published: 4/15/2009 Transcript/Links \| Download directly (right-click to save)

155	How many giant eruptions have occurred in Yellowstone National Park and how large were they? Tagged: volcanoes hazards Yellowstone geology Apr 2009 (Back to Main Page) Published: 4/8/2009 Transcript/Links \| Download directly (right-click to save)

62	What volcanoes have erupted in the lower 48 States since the Nation was founded? Tagged: volcanoes hazards April 2008 (Back to Main Page) Published: 4/30/2008 Transcript/Links \| Download directly (right-click to save)

61	What is an earthquake and what causes them to happen? Tagged: earthquakes hazards April 2008 (Back to Main Page) Published: 4/29/2008 Transcript/Links \| Download directly (right-click to save)

60	What do I do if I think I found a meteorite impact crater? Tagged: geology April 2008 (Back to Main Page) Published: 4/28/2008 Transcript/Links \| Download directly (right-click to save)

59	Will California eventually fall off into the ocean? Tagged: geography hazards earthquakes April 2008 (Back to Main Page) Published: 4/25/2008 Transcript/Links \| Download directly (right-click to save)

58	What is a landslide, and what causes them? Tagged: landslides hazards April 2008 (Back to Main Page) Published: 4/24/2008 Transcript/Links \| Download directly (right-click to save)

57	What are tsunamis? Tagged: water hazards tsunamis April 2008 (Back to Main Page) Published: 4/23/2008 Transcript/Links \| Download directly (right-click to save)

56	Is there earthquake weather? Tagged: earthquakes April 2008 (Back to Main Page) Published: 4/22/2008 Transcript/Links \| Download directly (right-click to save)

55	How does a compass work? Tagged: geography April 2008 (Back to Main Page) Published: 4/21/2008 Transcript/Links \| Download directly (right-click to save)

54	Are USGS reports copyrighted? Tagged: publications April 2008 (Back to Main Page) Published: 4/18/2008 Transcript/Links \| Download directly (right-click to save)

53	Where can I climb a volcano? Tagged: volcanoes hazards April 2008 (Back to Main Page) Published: 4/17/2008 Transcript/Links \| Download directly (right-click to save)

52	What elements are required by animals and plants for survival? Tagged: biology environment minerals April 2008 (Back to Main Page) Published: 4/16/2008 Transcript/Links \| Download directly (right-click to save)

51	How can I find the scientific names of plants and animals? Tagged: biology April 2008 (Back to Main Page) Published: 4/15/2008 Transcript/Links \| Download directly (right-click to save)

50	How can I find survey benchmark information? Tagged: geography April 2008 (Back to Main Page) Published: 4/14/2008 Transcript/Links \| Download directly (right-click to save)

49	How can I find USGS natural hazards information? Tagged: 2008 April hazards (Back to Main Page) Published: 4/11/2008 Transcript/Links \| Download directly (right-click to save)

48	Where is the largest active volcano in the world? Tagged: 2008 April volcanoes (Back to Main Page) Published: 4/10/2008 Transcript/Links \| Download directly (right-click to save)

47	What is the difference between lake and pond; mountain and hill; or river and creek? Tagged: 2008 April water geography (Back to Main Page) Published: 4/9/2008 Transcript/Links \| Download directly (right-click to save)

46	What's the difference between a rock and a mineral? Tagged: 2008 April minerals (Back to Main Page) Published: 4/8/2008 Transcript/Links \| Download directly (right-click to save)

45	I need a zip code map of the United States. Is one included in the National Atlas? Tagged: 2008 April maps (Back to Main Page) Published: 4/7/2008 Transcript/Links \| Download directly (right-click to save)

44	How many counties are there in the United States? Tagged: 2008 April geography (Back to Main Page) Published: 4/4/2008 Transcript/Links \| Download directly (right-click to save)

43	How do I get aerial photographs of where I live? Tagged: 2008 April AerialPhotography (Back to Main Page) Published: 4/3/2008 Transcript/Links \| Download directly (right-click to save)

42	What is Fool's Gold? Tagged: 2008 April geology minerals (Back to Main Page) Published: 4/2/2008 Transcript/Links \| Download directly (right-click to save)

41	Can I view topographic maps and aerial photographs online? Tagged: 2008 maps April (Back to Main Page) Published: 4/1/2008 Transcript/Links \| Download directly (right-click to save)

For previous episodes, look in the Tag Cloud/Archives on the right.

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Tag Cloud/Archives

2008 2009 AcidRain AerialPhotography Apr April Aug AvianInfluenza ClimateChange ColoradoRiver CoralReef Dec Earth Feb GreatLakes InvasiveSpecies Jan July June Mar May Nov Oct Oregon RemoteSensing Sept ShakeOut Yellowstone ZebraMussels amphibians animals aquifer bacteria biology birds camera copyright core data dinosaurs drought earth earthquakes education environment fish floods frogs gas geography geology geomagnetism geothermal glaciers hazards home imagery inaugural insurance jobs landslides lava magma magnitude maps metadata minerals mines paleontology people planet plumbing pollution publications real-time reef river safety salmon satellites scientist sinkholes snakeriver snakes space sun toxics trademark tsunamis vegetation volcanoes water weather wells wildlife

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What's a CoreFact?

A CoreFact is a weekly audio podcast from the USGS that asks and answers a natural science question. When you subscribe to CoreFacts, episodes will be automatically downloaded to your computer as soon as they're available.

Huh? What's a Podcast?

A podcast is an audio (e.g. mp3) or video file (e.g. mpeg) that can be played on a mobile media player (i.e. Apple iPod)¹ or personal computer.²

So, How Do I Listen/Watch?

You can subscribe to CoreFacts via RSS feed¹ (click for details), or you can listen to individual CoreFacts by selecting the play button next to the episode you’re interested in. When you subscribe to CoreFacts, each episode will automatically download to your computer as soon as they become available. Some specific instructions can be found on our Adding a Podcast page.

¹ Make sure you have the right software to download CoreFacts from a computer to your mobile media player—this software usually comes with the player.
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Most computers already have media player software installed—check with your computer administrator to see if you’re already set up for CoreFacts!

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Every episode is transcribed and can be viewed in the Show Details section. All links to Web sites or data referenced in the show are included.

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/podcasts/corefacts/default.asp?tag=Apr
Page Contact Information: CoreFacts Team
Page Last Modified: Monday, March 09, 2009