In the 1980s, Dr. Thal, a neurologist, helped lead successful clinical trials of tacrine, a cholinesterase inhibitor drug that was approved by the Food and Drug Administration in 1993.

to distemper colors with size

Organizing ghost stories is like herding a clutter of cats: the phenomenon resists organization and classification.

There are, broadly speaking, two classes of green manures, viz.:—Leguminous and others.