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USGS CoreFacts

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Episodes for 2009

172	Special Announcement: CoreFacts Being Discontinued Tagged: corefacts Aug 2009 (Back to Main Page) Published: 8/13/2009 Transcript/Links \| Download directly (right-click to save)

171	What can I do to be prepared for a landslide? Tagged: hazards landslides safety Jul 2009 (Back to Main Page) Published: 7/29/2009 Transcript/Links \| Download directly (right-click to save)

170	What type of sounds do cicadas make? Tagged: insects biology Jul 2009 (Back to Main Page) Published: 7/22/2009 Transcript/Links \| Download directly (right-click to save)

169	How is water cleaned? Tagged: water Jul 2009 (Back to Main Page) Published: 7/15/2009 Transcript/Links \| Download directly (right-click to save)

168	Can my dog or cat get West Nile Virus (WNV) by eating an infected animal? Tagged: disease WestNile Jul 2009 (Back to Main Page) Published: 7/8/2009 Transcript/Links \| Download directly (right-click to save)

167	Why should people in the Eastern United States be concerned about earthquakes? Tagged: earthquakes hazards Jul 2009 (Back to Main Page) Published: 7/1/2009 Transcript/Links \| Download directly (right-click to save)

166	What is tuff? Tagged: volcanoes hazards minerals Jun 2009 (Back to Main Page) Published: 6/24/2009 Transcript/Links \| Download directly (right-click to save)

165	How did Asian swamp eels get here? Tagged: biology InvasiveSpecies Jun 2009 (Back to Main Page) Published: 6/17/2009 Transcript/Links \| Download directly (right-click to save)

164	How far did the ash from Mount St. Helens travel? Tagged: hazards volcanoes Jun 2009 (Back to Main Page) Published: 6/10/2009 Transcript/Links \| Download directly (right-click to save)

163	What is a supervolcano? Tagged: hazards volcanoes Jun 2009 (Back to Main Page) Published: 6/3/2009 Transcript/Links \| Download directly (right-click to save)

162	What can I do to be prepared for a landslide? Tagged: hazards landslides safety May 2009 (Back to Main Page) Published: 5/27/2009 Transcript/Links \| Download directly (right-click to save)

161	Why do salmon die after they spawn? Tagged: fish biology May 2009 (Back to Main Page) Published: 5/20/2009 Transcript/Links \| Download directly (right-click to save)

160	What is the National Map? Tagged: maps May 2009 (Back to Main Page) Published: 5/13/2009 Transcript/Links \| Download directly (right-click to save)

159	Why is Yellowstone called Yellowstone? Tagged: hazards volcanoes May 2009 (Back to Main Page) Published: 5/6/2009 Transcript/Links \| Download directly (right-click to save)

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)

154	What are the differences between low pathogenic and highly pathogenic avian influenza viruses and how are influenza viruses grouped? Tagged: AvianInfluenza biology birds 2009 Mar (Back to Main Page) Published: 3/11/2009 Transcript/Links \| Download directly (right-click to save)

153	Does the Earth's magnetic field affect human health? Tagged: Earth geomagnetism 2009 Mar (Back to Main Page) Published: 3/4/2009 Transcript/Links \| Download directly (right-click to save)

152	How do volcanoes erupt? Tagged: hazards volcanoes 2009 Feb (Back to Main Page) Published: 2/25/2009 Transcript/Links \| Download directly (right-click to save)

151	What was Pangea? Tagged: Earth planet geology volcanoes 2009 Feb (Back to Main Page) Published: 2/11/2009 Transcript/Links \| Download directly (right-click to save)

150	What is a thunderegg? Tagged: volcanoes hazards Oregon 2009 Feb (Back to Main Page) Published: 2/4/2009 Transcript/Links \| Download directly (right-click to save)

149	What are some positive outcomes of volcanoes? Tagged: hazards volcanoes 2009 Jan (Back to Main Page) Published: 1/28/2009 Transcript/Links \| Download directly (right-click to save)

148	What does the term "stream stage" mean? Tagged: 2009 Jan water (Back to Main Page) Published: 1/21/2009 Transcript/Links \| Download directly (right-click to save)

147	Does a shortage of rain necessarily mean that a drought will occur? Tagged: 2009 Jan water weather (Back to Main Page) Published: 1/14/2009 Transcript/Links \| Download directly (right-click to save)

146	What is "artesian well water"? Tagged: Jan 2009 water groundwater (Back to Main Page) Published: 1/7/2009 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 Jul July Jun June Mar May Nov Oct Oregon RemoteSensing Sept ShakeOut WestNile Yellowstone ZebraMussels amphibians animals aquifer bacteria biology birds camera copyright core corefacts data dinosaurs disease drought earth earthquakes education environment fish floods frogs gas geography geology geomagnetism geothermal glaciers groundwater hazards home imagery inaugural insects 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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We've only just begun! Let us know how we're doing so far, or you can e-mail us directly at corefacts@usgs.gov.

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.
² To play CoreFacts on your computer, you will need media player software such as: iTunes, Windows Media Player, or Real Media Player.

Most computers already have media player software installed—check with your computer administrator to see if you’re already set up for CoreFacts!

508 Compliance

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=2009
Page Contact Information: CoreFacts Team
Page Last Modified: Friday, October 02, 2009