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NPR

Lyme Disease Far More Common Than Previously Known

Fewer than 30,000 cases of the tick-borne illness are reported each year. But the CDC says surveys of labs that test for the disease, six years of insurance claims and other surveillance methods suggest that the number of infections is actually 10 times higher.
NPR

Incredibly Shrinking Avocados: Why This Year's Fruit Are So Tiny

California's crop of Hass avocados — those green fruit essential for guacamole — usually weigh a half-pound or more. But this year's avocados are the smallest in memory — some barely bigger than an egg.
NPR

Has Voyager 1 Left The Solar System?

For the past decade or so, we have been waiting for the Voyager 1 spacecraft to leave the solar system. New research suggests it already has, and over a year ago.
NPR

What's My Real Cancer Risk? When Online Calculators Don't Compute

There's a difference between knowing your breast cancer risk and believing it. When psychologists asked several hundred women to plug personal health data into an online tool that then calculated their breast cancer risk, nearly 20 percent rejected their scores as wrong.
NPR

Mid-Atlantic Dolphin Die-Off Leaves Scientists Puzzled

Some 160 animals have been found dead from New York to Virginia since July, and scientists say one possible cause is a virus that belongs to the same family as measles and distemper.

NPR

NASA: Meteor In Russia Threw Up Globe-Girdling Plume Of Debris

The giant space rock that slammed into Chelyabinsk in February sent material into the stratosphere that circled the globe in just four days and lingered for months.
NPR

Dolphin Deaths Alarm Scientists

The animals are washing ashore at a higher rate than the last 26 years. Host Scott Simon speaks with Charley Potter, collection manager for marine mammals at the Smithsonian's National Museum of Natural History, about the response along the Mid-Atlantic.
NPR

N. America's Oldest Known Petroglyphs Discovered In Nevada

The carvings etched into limestone boulders near Pyramid Lake in western Nevada show that the early North Americans were surprisingly creative artists. The carvings, which are at least 10,000 years old, are abstract, geometric designs including shapes that look like diamonds and trees.
NPR

The STEM Gender Gap

The number of girls and women studying the sciences has steadily increased each year, but there is still a gender gap in higher education and the work force. Researchers Andresse St. Rose and Catherine Riegle-Crumb and Linda Kekelis, executive director of Techbridge, discuss the social and environmental factors that contribute to this disparity.
WAMU 88.5

Dinosaurs: Big Digs And Local Fossil Finds

We get the latest on fossil finds in our region and learn about some of the challenges scientists face in collecting dinosaur remains and other ancient specimens.

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