Facebook introduced its News Feed feature in September 2006, five months after my bipolar I diagnosis and first hospitalization and two years before this explosion of seeming gibberish.
By definition, a Riemannian manifold M has at each point p a tangent space T_pM equipped with a positive definite inner product, g_p; information about these inner products is encoded in the Riemannian metric tensor, g.
It wasn't until the 1970s that paleontologists had amassed enough evidence to be certain that aptychi were modified lower jaws.
Other girls in the foster home are eager to destroy her and get her kicked out of the place. It's a tough situation.
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