July 31, 2008

Diatoms Nanotechnology-Shell Game

Diatoms are among the world’s oldest and most ubiquitous creatures, and they may soon be an important part of one of the newest branches of science and technology.

July 30, 2008

Diatoms Nanotechnology – Redefining “Man-made”

Nanoparticles are so tiny that the atoms inside them obey the laws of quantum mechanics and not the laws of the physical observable world.

July 29, 2008

Science Diary: Redwoods – Cleanup

Outfitting a redwood with 300 pounds of research equipment is a great way to make discoveries. Taking it all down again is another story.

July 28, 2008

Science Diary: Redwoods – Battery

When research equipment is wired into a giant redwood, an 80-pound battery must be hoisted 300 feet into the canopy.

July 25, 2008

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.

July 24, 2008

Bulwer’s Pheasant: Risk

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

July 23, 2008

Science Diary: Redwoods – Sap Flow

How and when do giant redwoods drink their water? Tiny sap flow sensors tell the story.

July 22, 2008

Science Diary: Redwoods – Replacements

Big tree, tiny sensors – it’s all in a day’s work for redwood canopy researchers.

July 21, 2008

Science Diary: Redwoods – Clearcut

Observe an ancient redwood, and you can read the signs of adversity in its wood.

July 18, 2008

Diatoms Nanotechnology-Think Small

Nanomaterials possess superior strength, are lighter weight, and have more resistance to wear and tear than conventional materials.

July 17, 2008

Astrobiology: Europa

One of Jupiter’s moons may have a liquid ocean, and NASA hopes to send “hydrobots” there to explore for life.

July 16, 2008

Astrobiology – UV Rays

The sun’s ultraviolet radiation can be harmful, but it’s been an important force in the evolution of life on Earth.

July 15, 2008

Science Diary: Volcano – Pele

Like a giant wind instrument, Hawaii’s Kilauea volcano is producing a continuous low-frequency melody.

July 14, 2008

Science Diary: Volcano – Silence

With low-frequency volcano sound, it’s a deafening silence, quite literally.

July 11, 2008

Crows: Raven Language

Gurgles, knocks, and the sound of bells… a car on the fritz? No, it’s the unique language of the raven.

July 10, 2008

Crows: More Than a “Caw”

“Caw caw” says the crow. Well, yes, but a lot more too!

July 9, 2008

Science Diary: Volcano – Analyze

Want to listen to a volcano? You’ll first have to identify its dialect.

July 8, 2008

Science Diary: Volcano – Array

Our ears are not the best tools for eavesdropping on a volcano’s sonic secrets; that’s where microphone arrays come in handy.

July 7, 2008

Science Diary: Volcano – Death

Considering all the ways a volcano can kill a person, it’s not a bad idea to keep one’s distance.

July 4, 2008

Big Bang – Silent Bang?

The ‘Big Bang’ was really more of a Big Crescendo!

July 3, 2008

Big Bang – Moment After Conception

Astronomers are using information from microwaves to learn about the beginning of structures in the universe.

July 2, 2008

Big Bang – Echoes in Space

Light energy from the Big Bang has been translated into sound waves!

July 1, 2008

Big Bang – The Beginning

When the universe was born, there was more light than matter.