Trump's nuclear button tweet, North Korea reopens hotline and tracking mosquitoes with cellphones

January 03, 2018

Trump's nuclear button tweet, North Korea reopens hotline and tracking mosquitoes with cellphones

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January 03, 2018

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A man peeps through a barbed-wire fence with brightly color ribbons hanging from it.

A man peeps through a barbed-wire fence decorated with ribbons bearing messages wishing for the unification between the two Koreas near the demilitarized zone.

Credit:

Kim Hong-Ji/Reuters

President Donald Trump brags on Twitter that his nuclear button is bigger than North Korea's. We'll discuss. Also, a Nigerian doctor who survived Ebola shares her story. And cellphones are used to track disease-carrying mosquitoes.

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