Month: May 2013
Pulse of the Planet Daily Audio
Science Diary Healthy Ocean – What’s in a Can of Tuna?
What’s the biological impact of eating a tuna fish sandwich?
May 30, 2013People of the Corn
For the indigenous people of Chiapas, Mexico, the corn crop embodies their hearts and souls.
May 29, 2013Caves – Mars Connection
Ancient salt water caves harbor ecosystems similar to what life on Mars might have once been like.
May 28, 2013Astrobiology – 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, 2013Cosmic Radiation
Every second, a trillion atomic particles pass through every square inch of our bodies – is it all harmless?
May 24, 2013Science Diary: Healthy Ocean – Update
Some fish species are in hot water, ecologically speaking, but as consumers we can help turn the tide.
May 23, 2013Corn – Monoculture
Fewer varieties of corn threatens the heritage of a Mesoamerican culture.
May 22, 2013Science 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, 2013Science 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, 2013Will 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, 2013Caves – Diving
Scientists investigating underwater caves must brave dangerous conditions.
May 16, 2013KSC 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, 2013Spirit 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, 2013Astrobiology – Europa
One of Jupiter’s moons may have a liquid ocean, and NASA hopes to send “hydrobots” there to explore for life.
May 13, 2013Is 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, 2013Caves – Ancient Life
Tiny creatures found in salt water caves are giving scientists clues about an ancient super-continent.
May 9, 2013Astrobiology – Microbe Siesta
At a NASA lab in California, scientists are exploring outer space by looking through microscopes.
May 8, 2013Caves – 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, 2013Astrobiology – Genesis
The first life forms to arrive on Earth may have “hitchhiked” here on a meteor from Mars.
May 6, 2013Is There Life on Mars?
Could a meteorite found in Antarctica be proof of life on Mars?
May 1, 2013Greek Orthodox Easter – Touchstone to a Culture
For Greeks throughout the world, Easter Sunday is the most important holiday of the year.