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The number of elderly and disabled Americans in need of home health care is increasing annually, even as the pool of peoplealmost always womenwilli...

The octopus is generally acknowledged to be the most intelligent invertebrate in the world: according to marine biologists the common octopus (Octo...

Skittering figures of urban legend - and a ubiquitous reality - cockroaches are nearly as abhorred as they are ancient. Even as our efforts to exte...