Natural and human-induced hazards - Human

  • Shaking it up: Maverick scientist dies
    Shaking it up: Maverick scientist dies

    Sometimes, scientists feel the need to leave the lab and warn the public about onrushing hazards. Rowland warned about ozone, but others are warning about warming. Does scientific culture encourage or hinder going public? Does the helpful response to ozone depletion suggest we’ll succeed in confronting global warming?


    Thursday, March 22nd, 2012
  • Putting the brakes on fish invasions
    Putting the brakes on fish invasions

    As Asian carp approach the Great Lakes, ecologists seek to forestall a devastating invasion. Electric fish barriers on Chicago’s canals — built to dump wastewater into the Mississippi — are blocking carp from reaching Lake Michigan. Many scientists prefer closing the canals, but the shipping industry objects. Who’s right?


    Thursday, March 8th, 2012
  • Tundra fire: Bad news on warming
    Tundra fire: Bad news on warming

    The globe warms, and the Arctic starts to burn. If warming causes fires that release carbon dioxide, the primary greenhouse gas, will this accelerate further warming? A new study measures carbon releases from the largest tundra fire in North America.


    Thursday, July 28th, 2011
  • Nothing light about lightning
    Nothing light about lightning

    New instruments are giving a better view of how those astonishingly strong lightning bolts form inside clouds – and we are also getting a better picture of the many ways that lightning can harm us.


    Thursday, July 21st, 2011
  • The secret life of cats
    The secret life of cats

    Humans and cats have enjoyed each other’s company for millennia, but scientists have discovered some troubling secrets of free-roaming felines that have wildlife and health experts worried. A new study reveals what free-roaming cats do all day, and The Why Files investigates some implications of their outdoor habits.


    Thursday, June 9th, 2011
  • Nuclear nightmare in Japan
    Nuclear nightmare in Japan

    With three nuclear reactors and three pools of spent fuel teetering on the edge of meltdown, Japanese technicians struggled to throttle the nuclear demons after the gigantic tsunami. Is Fukushima closer to Chernobyl or Three Mile Island? How will the disaster affect plans for a renaissance of nuclear power?


    Thursday, March 24th, 2011
  • A climate of extremes?
    A climate of extremes?

    Are extreme heat, wicked cyclones and record rainfalls signs of climate change, or just more changes in the weather? Will warming eliminate record cold days? Will hurricanes get bigger?


    Thursday, January 13th, 2011
  • The morning after
    The morning after

    It’s as sure as sunrise. Drink too much, and you’ll pay next morning: lassitude, nausea, headache, dizziness, and more specialized agonies will be cause for regret. Hangovers: If you can’t avoid them, will they cause you to drink less? Do fruitflies get hung over?


    Wednesday, December 29th, 2010
  • Treatment defeats phony hormones!
    Treatment defeats phony hormones!

    When chemicals in the water trigger the endocrine system, male fish can start looking and acting female. What happens once chemicals from plastics, drugs and our own endocrine system are flushed down the toilet? Can we prevent them from entering our streams and harming wildlife?


    Thursday, June 24th, 2010
  • Historic photo of a group of men crouched in front of hanging wolf pelts.
    Gray wolf: How many is enough?

    The gray wolf has made a dramatic recovery in the northern Rockies and upper Midwest. Is the wolf still endangered, or has it recovered? Should we start hunting and killing the dog wild relatives?


    Thursday, June 17th, 2010


Twitter Facebook Email RSS
The Weather Guys
Curiosities
Cool Science Images Virtual Science! Paper Bound: Book Reviews

©2012 University of Wisconsin
Board of Regents