Do Woodpeckers Have Headaches When They Peck?
Woodpeckers can tolerate headaches because their entire body is built to peck. Woodpeckers peck at insects hidden behind bark. They peck to create cozy nest holes for...
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Where Do Puzzles Come From?
The history of riddles may be something you already have a basic understanding of. Certainly, since 1760, they have existed. Making jigsaw puzzles today, however, has...
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How Do Anesthetics Work?
Having a tooth extracted or drilled may not be pleasant but-thanks to anesthetics-at least it’s not painful. These drugs also prevent pain in surgical operations. We...
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What Is Angelman Syndrome?
What Is Angelman Syndrome? Angelman syndrome (AS) is a neurogenetic disorder characterized by intellectual and developmental delay, sleep disturbance, seizures, jerky...
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What Is Kleine-Levin Syndrome?
What Is Kleine-Levin Syndrome? KLS is a disease of adolescence, and sometimes will begin after infection or illness, says Tom Rico of the Center for Narcolepsy &...
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