Archive for the ‘Natural hazards’ Category

Lightning Illuminated at Last - Thursday, August 2nd, 2001

How is lightning generated? How does it affect the body? How can you stay safe? And what does lightning look like from space?

Shipwreck Mystery on Lake Superior - Thursday, November 9th, 2000

The Edmund Fitzgerald went down in 1975 with barely a trace, and no warning call whatsoever. New evidence pins the blame on terrible weather.

Floods: The Human Role - Thursday, March 16th, 2000

Flooding. We call it a natural disaster. But humans have a role. How do people promote flooding by cutting trees, draining wetlands, paving parking lots and otherwise interfering with nature?

Asteroid Threat - Thursday, March 2nd, 2000

How bad is the asteroid threat to Earth, and what are they doing to find any killer asteroids out there? Read the delightful debate between the no-problem and the killer-asteroid schools of thought.

Avalanche Attack - Thursday, February 17th, 2000

What causes avalanches? Why are they so dangerous, and how can you avoid them without cowering at home?

Eroding Beaches - Thursday, July 22nd, 1999

What causes beach erosion, and what can we do about it? Do groins and jetties help or hurt? How will shorelines change as the sea continues to rise due to global warming?

Global Warming Gets Started - Friday, February 5th, 1999

Global warming, greenhouse effect, rising temperatures and temperature anomalies. Early evidence for the coming storm.

Killer Asteroids: Ultimate Impact - Wednesday, November 4th, 1998

New searches are finding lots of asteroids. None of them are aimed at us — yet. How much damage have asteroids done in the past?

Wildfires: Not Just a Hazard - Wednesday, July 3rd, 1996

To an increasing number of homeowners, wildfires are a threat to life and limb. But scientists and land managers call fires a part of nature. What is the role of fire in natural systems?

Cool Science Images

SciMax Theater

Virtual Science!

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