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Photo: simpson33 / Getty Images The Number of Hours You Can Play Video Games Before It Wrecks Your Health
Turns out you really shouldn’t spend all your free time curled up like a shrimp while staring at a screen in the dark.
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Photo: Ahmed Boug et al./Communications Earth & Environment What the Cheetah Mummies Found in Arabian Caves Tell Us About Ancient Predators
The caves don’t bring cheetahs back, but they do complicate the idea that the predators disappeared without a trace.
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Photo: Maskot / Getty Images This Is the Exact Age Being Single Starts to Tank Your Mental Health
Being lonely lowers your overall well-being. The longer you stay lonely, the worse your well-being becomes.
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Photo: thethomsn / Getty Images Plants Can Talk to Each Other When They Touch, and It Makes Them Stronger
Loner plants don’t fare as well, which is probably a good takeaway for us humans.
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Photo: Ирина Мещерякова / Getty Images Your Dog’s Poop Has an Unexpected Effect on the Insects That Eat It
Maybe your dog’s meds are doing too good a job?
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Photo: urbazon / Getty Images Be Careful Around Your Friends (and Your Phone), Stress Is Contagious
Researchers call it emotional contagion.
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Photo: milorad kravic / Getty Images Your Dog Might Be Learning New Words Just by Overhearing Your Conversations
If you think your dog can understand you, you’re probably right.
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The mummified hand of the Siberian Ice Maiden, a suspected high-ranking shaman. Not the mummy in question. Photo: Charles O'Rear / Getty Images Ancient Siberian Mummy Was an Inbred Shaman, DNA Reveals
This burial wasn’t modest. It announced her importance.
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Photo: Olena Malik / Getty Images Just Turned 30? Time Is About to Speed Up, Here’s Why.
Brain-wise, time doesn’t live in a single control room.
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Photo: ChrisHepburn / Getty Images Jellyfish Sleep Kind of Like Humans. Here’s What That Tells Us
Interesting, because they don’t have brains, or spinal cords, or even an anus like us.
