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8 Octagonal Buildings

I ran across two instances of octagonal (8 sides) houses in the last week in Barcelona and San Francisco. Turns out 8 sided structures are fairly common. While there are...

The Pink Mystery

The first I heard of this was on Robert Krulwich posted Minute Physics to his blog last week. That’s why pink is an invention. It’s not a name we give to...

The Most Astounding Fact

Neil DeGrasse Tyson is an astrophysicist and director of the Hayden Planetarium in New York City. What he’s talking about in this video is the fact that all the...