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Donald Hoffman: Do we see reality as it is?

Cognitive scientist Donald Hoffman is trying to answer a big question: Do we experience the world as it really is … or as we need it to be? In this ever so slightly mind-blowing talk, he ponders how our minds construct reality for us.

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Nick Bostrom: What happens when our computers get smarter than we are?

Artificial intelligence is getting smarter by leaps and bounds — within this century, research suggests, a computer AI could be as “smart” as a human being. And then, says Nick Bostrom, it will overtake us: “Machine intelligence is the last invention that humanity will ever need to make.” Will our smart machines help to preserve humanity and our values — or will they have values of their own?

Nina Jablonski

Race has passed its use-by date

Race has a hold on history but no longer has a place in science. The sheer instability and potential for misinterpretation render race useless as a scientific concept. Inventing new vocabularies to deal with human diversity and inequity won’t be easy, but it must be done.