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Platycnemididae are a family of damselfly called white-legged damselflies.
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
A thin cleft, called the synapse, separates one cell from another.
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin