Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A species of marine ...
Parasites are repulsive enough in the wild, but coming across one in your food takes the gross-out factor to a whole other level. Case in point: several eye-bleach-worthy TikToks that recently went ...
They're long and skinny. They're boomerang-headed and coated in toxic mucus. And they've been hiding in plain sight in the US for a long time. Invasive hammerhead flatworms have distinctive curved ...
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