May 31, 2013

Science Diary Healthy Ocean – What’s in a Can of Tuna?

What’s the biological impact of eating a tuna fish sandwich?

May 30, 2013

People of the Corn

For the indigenous people of Chiapas, Mexico, the corn crop embodies their hearts and souls.

May 29, 2013

Caves – Mars Connection

Ancient salt water caves harbor ecosystems similar to what life on Mars might have once been like.

May 28, 2013

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.

May 27, 2013

Cosmic Radiation

Every second, a trillion atomic particles pass through every square inch of our bodies – is it all harmless?

May 24, 2013

Science Diary: Healthy Ocean – Update

Some fish species are in hot water, ecologically speaking, but as consumers we can help turn the tide.

May 23, 2013

Corn – Monoculture

Fewer varieties of corn threatens the heritage of a Mesoamerican culture.

May 22, 2013

Science Diary Bears – Melatonin

Melatonin regulates the sleep-wake cycle for humans and other animals. Strangely, bears who are masters of hibernation, seem to produce very little melatonin.

May 21, 2013

Science Diary: Bears – Overview

What biological mechanisms tell a bear when it’s time to hunker down for the winter and awaken in the spring?

May 20, 2013

Will We Colonize Mars?

The Apollo astronauts reported seeing strange flashes of light, a clue that high levels of radiation could effect futue space flight and colonies.

May 17, 2013

Caves – Diving

Scientists investigating underwater caves must brave dangerous conditions.

May 16, 2013

KSC Sports on Mars – Cleanroom

Before stepping inside the lab where NASA’s Mars rovers are built, you’ll need to put on a ‘bunny suit’ and jump into the air shower.

May 15, 2013

Spirit Stuck

At NASA’s Jet Propulsion Laboratory, engineers are testing a rover in a simulated sand pit, in hopes of freeing Spirit – a rover that’s been stuck in a real sand pit on Mars.

May 14, 2013

Astrobiology – Europa

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

May 13, 2013

Is there Water on Mars?

There’s plenty of evidence that Mars once had water, but you won’t find it on the surface of the Red Planet.

May 10, 2013

Caves – Ancient Life

Tiny creatures found in salt water caves are giving scientists clues about an ancient super-continent.

May 9, 2013

Astrobiology – Microbe Siesta

At a NASA lab in California, scientists are exploring outer space by looking through microscopes.

May 8, 2013

Caves – Living Fossils

While exploring underwater caves, divers made a startling discovery — primitive animals whose ancestors have been swimming in these waters for millennia.

May 7, 2013

Astrobiology – Genesis

The first life forms to arrive on Earth may have “hitchhiked” here on a meteor from Mars.

May 6, 2013

Is There Life on Mars?

Could a meteorite found in Antarctica be proof of life on Mars?

May 1, 2013

Greek Orthodox Easter – Touchstone to a Culture

For Greeks throughout the world, Easter Sunday is the most important holiday of the year.