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What kind of people become middlemen?:

1 min read

How to best use caffeine — from a neuroscientist:

1 min read

How to quickly and easily improve performance in most any area:

1 min read

Things you didn’t know about happiness:

2 minutes

Are Facebook users happier single or in relationships?

1 min read

When it comes to politics, this is how shallow you are

4 minutes

What does laughing a lot say about you?

1 min read

When does romantic involvement NOT reduce a man’s testosterone level?

1 min read

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