August 29, 2008

Dead Zone – Causes

Off the coast of Louisiana there’s about 6000 square miles of ocean that’s virtually devoid of life.

August 28, 2008

Tsunamis – Protection

what preventative measures can we take to minimize the impact of tsunamis?

August 27, 2008

Tsunamis – In the US?

What regions in the US are most susceptible to tsunamis?

August 26, 2008

Science Diary: Seaweed – Extraction

Seaweed physiology can change with the seasons, the tide, even the time of day.

August 25, 2008

Science Diary: Seaweed – Experiment

When scientists want to extract beneficial compounds from seaweed, it’s a complex process.

August 22, 2008

Tsunamis – Predicting

There was not an adequate warning issued for the Indian Ocean tsunami. What went wrong?

August 21, 2008

Tsunamis – Quakes

For an earthquake to produce a tsunami, it has to change the shape of the ocean’s bottom.

August 20, 2008

Science Diary: Physics – Science of Humility

For an apprentice, experimental physics can be a humbling endeavor.

August 19, 2008

Science Diary: Physics – Cyclotron

If you like smashing things, nuclear physics may be the field for you!

August 18, 2008

Science Diary: Physics – Parsing Particles

Ask a few physicists to define the word particle, and the answers will vary.

August 15, 2008

Tsunamis – Power

What makes a tsunami so powerful and so dangerous?

August 14, 2008

Tsunamis – Origins

Most tsunamis are caused by earthquakes, but that’s not the only cause of one of nature’s most destructive forces.

August 13, 2008

Tsunamis – Lump in the Ocean

There’s a crucial difference between tsunamis and tidal waves.

August 12, 2008

Science Diary: Redwoods – Climbing

Thinking of climbing a giant redwood? Don’t try this at home!

August 11, 2008

Science Diary: Redwoods – Straw

Imagine sucking water through a 300-foot straw; giant redwoods do this, in effect, every day.

August 8, 2008

Kartchner 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, 2008

Kartchner 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, 2008

Science Diary: Grayling – Varying Conditions

Low or high water, Arctic Grayling thrive in Alaska’s Kuparik River.

August 5, 2008

Science Diary: Redwoods – Biodiversity

Ferns, huckleberry bushes, even hemlocks make their home high atop giant redwoods.

August 4, 2008

Science 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, 2008

Diatoms Nanotechnology – Transformation

An innovative way is being developed to create nanomaterials – tiny bits of matter -using microscopic organisms called diatoms.