Something You Should Know cover image

Something You Should Know

Why We Still Don’t Have Flying Cars & Your Amazing Teeth

Sep 30, 2024
Nicole Kobie, a tech journalist and author, discusses why we still lack flying cars despite expectations from decades past. She explains the societal preferences and technological challenges that have stymied these innovations. Additionally, she touches on the future of autonomous vehicles and the ethical complexities of AI. Meanwhile, zoologist Bill Schutt delves into the fascinating world of teeth, exploring their evolution, maintenance, and surprising connections to overall health. Together, they offer an eye-opening look at technology and biology.
51:07

Episode guests

Podcast summary created with Snipd AI

Quick takeaways

  • Using self-checkout lanes while grocery shopping can significantly reduce impulse purchases, leading to lower overall spending.
  • The evolution of teeth in humans requires extensive maintenance, impacted by dietary changes and societal perceptions over time.

Deep dives

Strategies for Cutting Grocery Bills

Grocery store layouts are intentionally designed to encourage customers to spend more money, particularly by causing people to linger while shopping. Research indicates that shopping while hungry can lead to increased impulse buying, leading to higher grocery bills. To combat this, using self-checkout lanes can significantly reduce impulse purchases, with studies showing women and men bought 32% and 16% fewer impulsive items, respectively. By being more conscious of what is being scanned, shoppers become selective, ultimately leading to lower spending.

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