Search Results for: Dogs

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4,013 results

4,013 results for: Dogs

  1. Math

    Ask-a-Friend Marketplaces

    If you ask enough friends, paying for answers to questions can help you get the answers you need from a social network.

    By Ivars Peterson
  2. Math

    Problems to Sharpen the Young

    Medieval brainteasers have kept students and other people puzzled and entertained for centuries.

    By Ivars Peterson
  3. Math

    Calculating Dogs

    When dogs play fetch, they have various ways to find the optimal path.

    By Ivars Peterson
  4. Life

    Darwin’s natural selection redefined the idea of design

    By Charles Darwin

  5. Humankind’s destructive streak may be older than the species itself

    Some scientists have proposed designating a new geological epoch, the Anthropocene, that would cover the period since humans became the predominant environmental force on the planet. But when would you have it begin? Some geologists argue that the Anthropocene began with the Industrial Revolution, when fossil fuel consumption started influencing climate. Others point back several […]

    By Erin Wayman
  6. Science & Society

    Movie heists notwithstanding, when crime does pay, it’s not very much

    By Rachel Ehrenberg
  7. Science & Society

    Here’s looking at how the usual suspect film quotes go ahead and make your day

    By Rachel Ehrenberg
  8. Plants

    Tree rings’ lack of volcanic signature confuses climate calculations

    By Alexandra Witze
  9. Science & Society

    In many fields of science, it’s always the year of the rat

    By Rachel Ehrenberg
  10. Tech

    Eau, Brother!

    The combination of advanced sensor materials and powerful computer chips promises devices that can sense threats ranging from bacteria in food to explosives in land mines.

    By Sid Perkins
  11. Animals

    Music without Borders

    When birds trill and whales woo-oo, we call it singing. Are we serious?

    By Susan Milius

  12. Cries and Greetings

    Baboon intimacy and detachment present vexing clues.

    By Bruce Bower