Millions of people worldwide are living as modern-day slaves, including in the U.S.
What makes Doritos and other junk food so irresistible?
Do you have to tell people when they’re on speakerphone?
Some lighter looks at what’s in the news
Pope Francis has generated a great deal of excitement since his election last year.
A proposal in Israel to ban Nazi and other Holocaust terms raises free speech issues.
Is Facebook making us lonely?
Companies are sneaking ads into TV shows, music videos, and even celebrity tweets.
Five things you need to know about World War I on its centennial.
Simpsons math, prehistoric DNA, Axe overload, and more
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