Dolphins: The Second Smartest Animal?

Dolphin intelligence is even more impressive than scientists previously believed. So what are the ethical ramifications for our treatment of these extraordinary creatures?

Participatory democracy is presumed to be the gold standard. Here’s why it isn’t.

Political activism may get people invested in politics, and affect urgently needed change, but it comes at the expense of tolerance and healthy democratic norms.

Photo by Nicholas Roberts /Getty Images
Sponsored by Charles Koch Foundation
  • Polarization and extreme partisanships have been on the rise in the United States.
  • Political psychologist Diana Mutz argues that we need more deliberation, not political activism, to keep our democracy robust.
  • Despite increased polarization, Americans still have more in common than we appear to.
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Astronomers spot only the 2nd interstellar object ever seen

An amateur astronomer discovers an interstellar comet on its way to our Sun.

Credit: NASA/JPL-Caltech
Surprising Science
  • The comet C/2019 Q4 (Borisov) was spotted by an amateur astronomer.
  • The object is moving so fast, it likely originated outside our solar system.
  • The comet should be observable for another year.
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Truth vs Reality: How we evolved to survive, not to see what’s really there

Take the circumstances in your life seriously, but not literally. Here's why.

Videos
  • Galileo was quite controversial, in part, because he argued that Earth moved around the sun, despite people's senses deluding them that the world was static.
  • Evolution may have primed us to see the world in terms of payoffs rather than absolute reality — this has actually helped us survive. Those who win payoffs are more likely to pass on their genes, which encode these strategies to get to the "next level" of life.
  • It's important to listen to people's objections because they may bring something to your attention outside your ken. Learn from them to make your ideas sharper.
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