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NCPR News Staff: Natural Selections

Stories filed by Natural Selections

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Natural Selections: Biodiversity, part 2

Is it more important to keep a wild area as diverse as possible or simply maintain the plants and animals native to that habitat? A discussion about the difference between biodiversity and biointegrity with Martha Foley and Dr. Curt Stager.  Go to full article

Natural Selections: Biodiversity, part 1

Martha Foley and Dr. Curt Stager discuss our diverse biosphere. Is there a bias towards different species?  Go to full article

Natural Selections: Ospreys

Martha Foley and Dr. Curt Stager discuss the osprey--a large, black and white bird of prey that eats almost exclusively fish.  Go to full article

Natural Selctions: Bumblebee Fuzz

Are bumblebees actually furry? Martha asks Dr. Curt Stager to explain the nature and purpose of bumblebee fuzz.  Go to full article

Natural Selections: Primates

A human male and a male chimpanzee have as much in common, genetically, as a man and a woman. Dr. Curt Stager and Martha Foley look at our evolutionary cousins, primates.  Go to full article

Natural Selections: Fat & Nutrition

Reducing dietary fat may not have predictable effects on health. A recent study suggests that cholesterol-reducing drugs are more effective at preventing heart disease than reducing fat in food. Martha Foley and Dr. Curt Stager discuss fat, cholesterol, and nutrition.  Go to full article

Natural Selections: Carbon-14 Dating

Measuring the level of carbon-14, a natural radioactive isotope, in organic material has proven to be a reliable way of determining the age of archeological and paleontological remains. Dr. Curt Stager and Martha Foley discuss how it works.  Go to full article

Natural Selections: Bird Migration

How do birds discover their migration routes? Are they taught, is it instinct, or a special sense? Dr Curt Stager and Martha Foley discuss what's known and what's guessed.  Go to full article

Natural Selections: Oil and Water

What you might think is an oil slick on pond or bog water may actually be a film of bacteria. And some oil that flattens ripples and makes rainbow shimmers comes from natural sources. Dr. Curt Stager and Martha Foley: oil and water.  Go to full article

Natural Selections: Oxygen

Dr. Curt Stager intoduces Martha Foley to the dark side of oxygen, that toxic waste product of plant metabolism responsible for aging and eventual death--our bodies as a chemical bonfire.  Go to full article

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