At what point do "you" end and the outside world begins? It might feel like a weird question with an obvious answer, but your brain has to work surprisingly hard to judge that boundary.
By the late 1990s, scientists realized that virus activity was likely shaping how carbon and nutrients cycled through ocean ...
We've known about the iconic Ring Nebula for nearly 250 years, but it's only now that astronomers have found a giant mystery ...
Teeth that are unusually worn down can also be a sign of acid reflux. This causes stomach acid to seep into the mouth, which ...
Starfish (aka sea stars) are master climbers. These many-armed invertebrates traverse vertical, horizontal, and even upside-down surfaces: it seems no substrate is too rocky, slimy, sandy, or glassy.
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