Month: July 2011
Pulse of the Planet Daily Audio
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 28, 2011Science Diary: Volcano – Eruption
Geophysicist Milton Garces studies an active volcano’s low frequency sound patterns in an effort to predict large-scale eruptions.
July 27, 2011Weather Making Cities – Wetter Cities
The cityscape is an environment that creates a micro-climate unto itself.
July 26, 2011Weather Making Cities – What Can Be Done To Change It?
Rooftop surfaces and strategically planted trees can ease the heat of urban environments.
July 25, 2011Weather Making Cities – Description
Meteorological conditions in urban areas are greatly influenced by the cityscape.
July 22, 2011Science Diary: Caterpillars – Frass Thrower
For some caterpillars, self-defense can be a real crapshoot!
July 21, 2011Science Diary: Caterpillars – Cryptic
Caterpillars are a tasty temptation for quite a few predators and they have evolved a suite of feisty protective measures.
July 20, 2011Science Diary: Caterpillars – Stingers
The sting of a caterpillar can keep predators, and human researchers, at bay.
July 19, 2011Science Diary: Caterpillars – Importance of Diversity
Virtually every organism in a rainforest ecosystem is part of an interdependent web of life.
July 18, 2011Science Diary: Caterpillars – Interactions
Tinker with the micro-ecology of just one plant, and you risk altering an entire ecosystem.
July 15, 2011Science Diary: Caterpillars – Microcosm
A diverse ecoysystem can be found within the leaves of one rainforest plant.
July 14, 2011Science Diary: Caterpillars – Secrets of Finding
Signs of caterpillars are easy to spot, but how do you locate the caterpillars themselves?
July 13, 2011Antibiotics in Ancient Bone: Tetracycline
Scientists have discovered traces of tetracycline in preserved human bones from Sudan that date back more than 2,000 years.
July 12, 2011Antibiotics in Ancient Bone: Beer
Take two beers and call me in the morning? Scientists now think that some ancient civilizations may have used bread and beer as a source of antibiotics.
July 11, 2011Antibiotics in Ancient Bones
Traces of tetracycline have been found in the bones of people who lived more than 2,000 years ago, and scientists think that their diet may have been the cause.
July 8, 2011Science Diary: Caterpillars – Parasitoids
In Costa Rica’s banana plantations, parasitoids can keep hungry caterpillars in check.
July 7, 2011Science Diary: Caterpillars – Alien
Nature can be harsh, and in the case of caterpillar-eating parasitoids, it’s downright gruesome.
July 6, 2011Science Diary: Caterpillars – Many Types
In Costa Rica’s rainforest, the diversity of caterpillars rivals the diversity of the plants they consume.
July 5, 2011Science Diary: Water – Pharmaceuticals
Dive into the ocean, and you may be swimming in more than just salty water!
July 4, 2011Spritzer Whizzer
A third-grader has designed the “Spritzer Whizzer” – a new musical instrument made from water spay bottles. The Ode to Joy never sounded like this!
July 1, 2011Science Diary: Water – Metals
A beach sign warns against swimming due to water contamination. But is that notice up to date?