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All the smart facts you want to know on topics, events and people throughout history. 


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What is listeria? 5 things you need to know What is listeria? 5 things you need to know What is listeria? 5 things you need to know

What is listeria? 5 things you need to know

Dado Ruvic / Reuters
What is Bitcoin? And should you invest in it? What is Bitcoin? And should you invest in it? What is Bitcoin? And should you invest in it?

Bitcoin 101: What is it and should you invest?

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What is NATO? And what do Trump and Russia think about it? What is NATO? And what do Trump and Russia think about it? What is NATO? And what do Trump and Russia think about it?

Why NATO is criticized by Trump and opposed by Russia

Robert F. Bukaty / AP file
Barbara Bush is choosing 'comfort care.' What does it mean? More than you may think. Barbara Bush is choosing 'comfort care.' What does it mean? More than you may think. Barbara Bush is choosing 'comfort care.' What does it mean? More than you may think.

What is 'comfort care'? More than you may think.

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What is a heart attack? The symptoms you need to know What is a heart attack? The symptoms you need to know What is a heart attack? The symptoms you need to know

What is a heart attack?

What is immigration reform?

What are the measles? What you need to know

Hurricanes: What you need to know

Identity theft: The facts, the risks, and what consumers can do

What is lupus? What you need to know

What is DACA? What you need to know.

What is Bitcoin? And should you invest in it?