--Cambridge scholars are studying the possibility that robots might kill us all.

--Rajiv Sethi has much more on the CFTC's crackdown of Intrade. Why do government regulators think that prediction markets have no value to the public?

--The creators of "Lost" reveal they were pretty much just making things up as they went along.

--A scientist claims to have sequenced Bigfoot's DNA. Eric Berger gives this the coverage it deserves.

--What would realistic space battles look like? Sadly, launch windows will make future starship shootouts extremely boring.

--An appreciation of prison slang... 

--...and an in-depth look at the horrors of solitary confinement in American prisons.

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