Each week, WAMU 88.5's Metro Connection reaches across D.C., Maryland and Virginia to gather the sounds and stories that capture the current events, culture and personalities driving the Washington region.
Although scientists have known that a fungus-like organism caused the potato blight that triggered the Great Famine in Ireland in the 1840s, they didn't know which strain was the culprit. But they do now, thanks to the genes in some 19th century potato samples.
Apple CEO Tim Cook faced tough questions on Capitol Hill on Tuesday. He defended a tax strategy that allows Apple to avoid taxes on tens of billions of dollars of profits. Cook also called on the Congress to lower the U.S. corporate tax rate.
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