Why large groups of people often come to the same conclusions

Study confirms the existence of a special kind of groupthink in large groups.

Credit: Kaleb Nimz/Unsplash
  • Large groups of people everywhere tend to come to the same conclusions.
  • In small groups, there's a much wider diversity of ideas.
  • The mechanics of a large group make some ideas practically inevitable.
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The 3 keys to solving complex global problems

We have the money to change the world. What's standing in the way?

  • What does it actually take to drive large-scale change? Co-Impact founder and CEO Olivia Leland argues that it takes more than money, voting in elections, and supporting your favorite nonprofit. Solving complex global issues takes philanthropy in concert with community advocacy, support from businesses, innovation, an organized vision, and a plan to execute it.
  • Leland has identified three areas that need to be addressed before real and meaningful change can happen. To effectively provide support, we must listen to the people who are already doing the work, rather than trying to start from scratch; make it easier for groups, government, and others to collaborate; and change our mindsets to think more long-term so that we can scale impact in ways that matter.
  • Through supporting educational programs like Pratham and its Teaching at the Right Level model, Co-Impact has seen how these collaborative strategies can be employed to successfully tackle a complex problem like child literacy.

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Warrior women: New evidence of ancient female big-game hunters

Turns out gender assumptions have been going on for quite some time.

Photo: hibrida / Adobe Stock
  • A recent archaeological dig in the Peruvian mountains uncovered evidence of ancient female big-game hunters.
  • This adds to a growing consensus that women played a much bigger role in hunting than previously assumed.
  • Gender assumptions are a constant throughout history, with culture often playing a more important role than biology.
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What blinking slowly means to cats, according to science

Scientists confirm that slow blinks are an effective way to connect with a cat.

Credit: Tomatito/Shutterstock
  • Cats accept the presence of humans with whom they exchange a slow blink.
  • A slow blink is likely a visual statement of nonaggression.
  • Owners and strangers alike can bond with a cat using the slow-blink greeting.
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    Navy SEALs: How to build a warrior mindset

    SEAL training is the ultimate test of both mental and physical strength.

    • The fact that U.S. Navy SEALs endure very rigorous training before entering the field is common knowledge, but just what happens at those facilities is less often discussed. In this video, former SEALs Brent Gleeson, David Goggins, and Eric Greitens (as well as authors Jesse Itzler and Jamie Wheal) talk about how the 18-month program is designed to build elite, disciplined operatives with immense mental toughness and resilience.
    • Wheal dives into the cutting-edge technology and science that the navy uses to prepare these individuals. Itzler shares his experience meeting and briefly living with Goggins (who was also an Army Ranger) and the things he learned about pushing past perceived limits.
    • Goggins dives into why you should leave your comfort zone, introduces the 40 percent rule, and explains why the biggest battle we all face is the one in our own minds. "Usually whatever's in front of you isn't as big as you make it out to be," says the SEAL turned motivational speaker. "We start to make these very small things enormous because we allow our minds to take control and go away from us. We have to regain control of our mind."
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