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For more on the cancellation of this Trump-Kim summit we're joined by Joseph DeTrani. He's a former State Department special envoy for negotiations with North Korea. Ambassador DeTrani, welcome back to ALL THINGS CONSIDERED.

Each year, malaria kills about half a million people around the world. Health officials say a fast, cheap, accurate way to test for people infected with the malaria parasite would be extremely helpful in combating the disease. Now some engineers in California say they've invented a device they someday will do just that.

The device takes advantage of the fact that the malaria parasite produces tiny crystals inside infected red blood cells. These crystals have a magnetic property. Put a magnet next to a drop of infected blood, and the crystals move toward the magnet.

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Congressman Eliot Engel is the top Democrat on the House Foreign Affairs Committee. Here's what he said on the House floor today when he learned that President Trump had pulled out of the summit with North Korea.

(SOUNDBITE OF ARCHIVED RECORDING)

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

AUDIE CORNISH, HOST:

Congressman Eliot Engel is the top Democrat on the House Foreign Affairs Committee. Here's what he said on the House floor today when he learned that President Trump had pulled out of the summit with North Korea.

(SOUNDBITE OF ARCHIVED RECORDING)

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

AUDIE CORNISH, HOST:

Congressman Eliot Engel is the top Democrat on the House Foreign Affairs Committee. Here's what he said on the House floor today when he learned that President Trump had pulled out of the summit with North Korea.

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

AUDIE CORNISH, HOST:

Congressman Eliot Engel is the top Democrat on the House Foreign Affairs Committee. Here's what he said on the House floor today when he learned that President Trump had pulled out of the summit with North Korea.

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

AUDIE CORNISH, HOST:

Congressman Eliot Engel is the top Democrat on the House Foreign Affairs Committee. Here's what he said on the House floor today when he learned that President Trump had pulled out of the summit with North Korea.

Copyright 2018 NPR. To see more, visit http://www.npr.org/.

AUDIE CORNISH, HOST:

Congressman Eliot Engel is the top Democrat on the House Foreign Affairs Committee. Here's what he said on the House floor today when he learned that President Trump had pulled out of the summit with North Korea.

It took Italy's leading parties nearly three months of turbulent negotiations to hammer out a governing arrangement, but they've finally done it.

Grains are the bedrock of civilization. They led humans from hunting and gathering to city-building. According to the Food and Agriculture Organization, the fruits of three grasses provide the world with 60 percent of its total food: corn, wheat and rice. Aside from energy-rich carbohydrates, grains feed us protein, zinc, iron and essential B vitamins.

But rice as we know it is at risk.

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