Grand Canyon's Age Still Not Set In Stone | WAMU 88.5 - American University Radio
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Grand Canyon's Age Still Not Set In Stone

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If you were to visit Grand Canyon National Park, you might encounter an exhibit called the "Trail of Time" and learn that researchers believe the canyon is six million years old. But not all scientists think that age is correct. Some think the canyon is 20 million years old, and a new report suggests that the canyon existed alongside dinosaurs some 70 million years ago. Melissa Block talks with Washington Post reporter Joel Achenbach, who has covered the colorful and sometimes contentious debate among researchers.
NPR

Curb Your Appetite: Save Bread For The End Of The Meal

A hot bread basket is a tasty way to start off dinner. But all those carbs before the main fare can amp up appetite and spike blood sugar. Saving the carbs for the end of the meal can help avert that.
NPR

Why You Should Thank A Caterpillar For Your Mustard And Wasabi

Eons ago, cabbage butterfly larvae and the plants they eat began an evolutionary arms race. The result: "mustard oil bombs" that give the plants, and condiments we make from them, distinctive flavors.
WAMU 88.5

Troubles In Puerto Rico And Greece And What They Mean For Other Economies

Puerto Rico's governor says the U.S. territory cannot pay its billions in debt. Like Greece, it faces a long road to stability. We look at the fundamental economic problems in Puerto Rico and Greece, and how they could affect economies in the U.S. and worldwide.

WAMU 88.5

Pop Culture Trends in Video Gaming

More women on screen and more exploration are among the trends in video gaming this year. Tech Tuesday explores how pop culture and new technology are changing the gaming experience.

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