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Down'n'Dirty With Interstellar Dust

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Interstellar gas, shot by the Hubble Space Telescope.
J. Hester and P. Scowen
Interstellar gas, shot by the Hubble Space Telescope.

You can't see them with the naked eye, but teeny-tiny particles exist between stars. This interstellar dust is a particular nuisance to astrophysicists, whose observations and measurements can be distorted by these "cosmic grains." An American University professor is one of 200 people in the world studying the topic; Rebecca Sheir visits U.J. Sofia to learn why, though the particles are small, the issue is pretty darn big.

[Music: "Sky Diver" by Owl City from Maybe I'm Dreaming]

WAMU 88.5

Taking Great Photos On Vacation Or "Staycation"

Professional photographers give us the latest on cameras, smart phones and shooting tips for great vacation photos this summer -- and every day.

NPR

Squeezed By Drought, California Farmers Switch To Less Thirsty Crops

Water scarcity is leading farmers away from planting staples and towards planting higher-value, lower-water specialty crops. Think wine grapes and pomegranates instead of citrus and avocados.
WAMU 88.5

Obama's Trip to Africa & Foreign Aid

By visiting Africa this month, President Obama is drawing attention to one of the diplomatic tools that most directly shapes America's relationships with other countries: foreign aid and assistance. But now all policy makers at home feel the United States is pursuing the soundest strategy when it comes to providing aid abroad. We explore the issue with the official in charge of the Africa portfolio for the United States Agency for International Development.

WAMU 88.5

Taking Great Photos On Vacation Or "Staycation"

Professional photographers give us the latest on cameras, smart phones and shooting tips for great vacation photos this summer -- and every day.

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