Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

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Credit: The Pokémon Company

Source: Computational Materials Science, Volume 266

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In the months leading up to his death, we learn that Floyd became close friends with his coworker, local weatherman Clark Forrest (Jason Bateman). As the pair bond during jogging workouts and cornhole parties, they commiserate over their now-sexless marriages. Enter DTF St. Louis, an app for married people looking to "spice it" as Clark puts it. He pushes the app on Floyd, and mere weeks later, Floyd is dead.

Despite living in the US for a number of years, Rhys previously said he he tried to keep his family connected to Welsh culture through sharing traditions with his wife and children and trying to speak to his son "only in Welsh".

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Blockchain technology was originally invented in 1991 by two mathematicians, Stuart Haber and W. Scot Stornetta. They first proposed the system to ensure that timestamps could not be tampered with.