Month: August 2008
Pulse of the Planet Daily Audio
Dead Zone – Causes
Off the coast of Louisiana there’s about 6000 square miles of ocean that’s virtually devoid of life.
August 28, 2008Tsunamis – Protection
what preventative measures can we take to minimize the impact of tsunamis?
August 27, 2008Tsunamis – In the US?
What regions in the US are most susceptible to tsunamis?
August 26, 2008Science Diary: Seaweed – Extraction
Seaweed physiology can change with the seasons, the tide, even the time of day.
August 25, 2008Science Diary: Seaweed – Experiment
When scientists want to extract beneficial compounds from seaweed, it’s a complex process.
August 22, 2008Tsunamis – Predicting
There was not an adequate warning issued for the Indian Ocean tsunami. What went wrong?
August 21, 2008Tsunamis – Quakes
For an earthquake to produce a tsunami, it has to change the shape of the ocean’s bottom.
August 20, 2008Science Diary: Physics – Science of Humility
For an apprentice, experimental physics can be a humbling endeavor.
August 19, 2008Science Diary: Physics – Cyclotron
If you like smashing things, nuclear physics may be the field for you!
August 18, 2008Science Diary: Physics – Parsing Particles
Ask a few physicists to define the word particle, and the answers will vary.
August 15, 2008Tsunamis – Power
What makes a tsunami so powerful and so dangerous?
August 14, 2008Tsunamis – Origins
Most tsunamis are caused by earthquakes, but that’s not the only cause of one of nature’s most destructive forces.
August 13, 2008Tsunamis – Lump in the Ocean
There’s a crucial difference between tsunamis and tidal waves.
August 12, 2008Science Diary: Redwoods – Climbing
Thinking of climbing a giant redwood? Don’t try this at home!
August 11, 2008Science Diary: Redwoods – Straw
Imagine sucking water through a 300-foot straw; giant redwoods do this, in effect, every day.
August 8, 2008Kartchner Caverns: Humidity
This cave is very wet and its formations are still growing, so park officials use everything from misting systems to airlock doors to counteract and keep out the dry desert air of Arizona.
August 7, 2008Kartchner Caverns: Intro
Besides being beautiful, the Kartchner Caverns are also 95% alive, which means that the caves are wet and that their formations are still growing.
August 6, 2008Science Diary: Grayling – Varying Conditions
Low or high water, Arctic Grayling thrive in Alaska’s Kuparik River.
August 5, 2008Science Diary: Redwoods – Biodiversity
Ferns, huckleberry bushes, even hemlocks make their home high atop giant redwoods.
August 4, 2008Science Diary: Redwoods – Ecosystem Aloft
When forest fires burn through a stand of redwoods, they can leave rotten, spongy pockets in which plants thrive.
August 1, 2008Diatoms Nanotechnology – Transformation
An innovative way is being developed to create nanomaterials – tiny bits of matter -using microscopic organisms called diatoms.