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You've probably heard reports about a recently-developed technological device that may help quadriplegics regain control of their limbs. The device is designed to read the quadriplegic's brain waves, and then transfer those signals to electrodes that stimulate…
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Mathematics
How To Calculate The Volume Of A Cylinder
Calculating the volume of a cylinder is even easier than calculating its area. All you have to do is recognize…
Biology
New Ideas About An Old Puzzle
There's a familiar way of talking about language as a 'tool,' but of course that's just a metaphor. Literal…
Chemistry
What Is Acetone?
Acetone is a manufactured chemical that is also found naturally in the environment. It is a colorless liquid…
Biology
Heady Success
Hammerhead sharks might strike you as strange: or, they might just strike you. Among the oddest-looking of…