April 29, 2005

Tsunamis – Effect

Along with the tragic loss of life and property, tsunamis leave some unexpected signs of their passing.

April 28, 2005

Tsunamis – Protection

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

April 27, 2005

Carpenter Bees: Social

Carpenter bees are among the more solitary bees, sometimes living one to a nest.

April 26, 2005

Carpenter Bees: Nest

Bees are resourceful multi-talented insects, and some are skilled carpenters.

April 25, 2005

Kartchner Caverns: Clean

Recently opened, Kartchner Caverns is a place where park officials try their hardest to keep the cave clean, which means that the only thing humans leave behind are footprints.

April 22, 2005

Tsunamis – In the US?

What regions in the US are most susceptible to tsunamis?

April 21, 2005

Tsunamis – Predicting

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

April 20, 2005

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.

April 19, 2005

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.

April 18, 2005

American Toads: Cross the Road

Why did the toad cross the road? Turns out he had a very compelling reason.

April 15, 2005

American Toads: Birdlike Trill

They may not be as visible or as pretty as Robins, but American Toads produce some of the most melodious sounds of Spring.

April 14, 2005

Tsunamis – Quakes

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

April 13, 2005

Tsunamis – Power

What makes a tsunami so powerful and so dangerous?

April 12, 2005

Early Spring: Marmot’s Choice

Marmots risk starvation because of misleading cues that spring has arrived in the Rocky Mountains.

April 11, 2005

Early Spring: Unexpected Conditions

Warming weather and increased snowfall send mixed signals to migrating species.

April 8, 2005

Early Spring: Harbingers

A broad range of species of plants are blooming up to 46 days earlier now than they did three decades ago. The reason, biologists say, is global climate change.

April 7, 2005

Bulwer’s Pheasant: King of the Birds

According to the Dyak people of Borneo, the Bulwer’s pheasant shows the bearded pigs where they can find food and, in return, the pigs dig up worms and grubs for the Bulwer’s to eat.

April 6, 2005

Bulwer’s Pheasant: Risk

The destruction of the Borneo rainforest is bringing the Bulwer’s pheasant closer to extinction.

April 5, 2005

Tsunamis – Origins

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

April 4, 2005

Tsunamis – Lump in the Ocean

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

April 1, 2005

Diatoms Nanotechnology – Transformation

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