A healthy brain maintains a harmony of neurons that excite or inhibit other neurons, but the lines between different types of cells are blurrier than researchers once thought.
Step aside, carbon dating. Paleontologists date fossils based on the clues in the rocks surrounding them. When paleontologists dig up a fossil from the ground, how do they figure out the age of the ...
From snails to skunks, squirrels to cicadas, most of our neighbors are quiet and seldom interact with us, but they play important roles in the world.
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