It’s a magazine show — which is to say, it’s a show covering a number of disparate topics linked only by the fact that we’ve decided to cover them together.

This hour, the too-big-to-be-a-planet, too-small-to-be-a-proper-star celestial body dubbed ‘The Accident.’

And: A look at the overwhelming hype, and precipitous fall (pardon the pun) kamen-viral-mystery-invention-2001.html">of the Segway.

Plus: squirrel parkour.

GUESTS:

• Steve Kemper - The author of several books, including Reinventing the Wheel: A Story of Genius, Innovation, and Grand Ambition
• Dan Kois - An editor and writer at Slate
• Lucia Jacobs - Principal investigator at The Jacobs Lab of Cognitive Biology at the University of California, Berkeley
• Jonathan O’Callaghan - A freelance space and science journalist

Join the conversation on Facebook and Twitter.

Colin McEnroe and Cat Pastor contributed to this show.

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