The science of sex, love, attraction, and obsession

The symbol for love is the heart, but the brain may be more accurate.

  • How love makes us feel can only be defined on an individual basis, but what it does to the body, specifically the brain, is now less abstract thanks to science.
  • One of the problems with early-stage attraction, according to anthropologist Helen Fisher, is that it activates parts of the brain that are linked to drive, craving, obsession, and motivation, while other regions that deal with decision-making shut down.
  • Dr. Fisher, professor Ted Fischer, and psychiatrist Gail Saltz explain the different types of love, explore the neuroscience of love and attraction, and share tips for sustaining relationships that are healthy and mutually beneficial.

Who's listening? Inside the voice-profiling revolution

Do you sound friendly? Hostile? And which voice would be more likely to buy something?

You decide to call a store that sells some hiking boots you're thinking of buying. As you dial in, the computer of an artificial intelligence company hired by the store is activated.
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How do you tell reality from a deepfake?

The more you see them, the better you get at spotting the signs.

ROB LEVER/AFP via Getty Images
  • The number of deepfake videos online has been increasing at an estimated annual rate of about 900%.
  • Technology advances have made it increasingly easy to produce them, which has raised questions about how best to prevent malicious misuse.
  • It's been suggested that the best way to inoculate people against the danger of deepfakes is through exposure and raising awareness.
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    Why we have breakup sex, according to psychology

    Is breakup sex ever a good idea?

    Credit: LIGHTFIELD STUDIOS on Adobe Stock
    • A July 2020 study aimed to better understand post-breakup behavior, specifically why we have breakup sex.
    • This research established there are three main reasons people engage in breakup sex: relationship maintenance, ambivalence, and hedonism.
    • Experts weigh in on whether or not breakup sex can be beneficial.
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    Science says you should pet your dog before leaving

    A study explores how your dog does when you're not home.

    Credit: CoreyOHara/Adobe Stock
    • Just exactly how much are dogs upset when we leave?
    • A new study finds that dogs spend time looking for us after we're gone.
    • The experiment also found that dogs are more relaxed when we give them an affectionate, gentle petting before leaving.
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