Life and Nature

Pulsars Discovered 1

Pulsars Discovered

Imagine you’re an astronomy student gathering data, and suddenly your radio telescope receives regular signals from deep space. It happened to Jocelyn Bell in 1967. This is for Wednesday, November 28. On today’s date in 1967, a new kind of star was discovered by a graduate student at Cambridge University. Jocelyn Bell was sifting through …

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The Gilboa Forest 2

The Gilboa Forest

Flash floods are hardly unheard of in the Catskills. Our mountains commonly stand in the way of weather patterns, forcing rising air masses to generate sudden thunderstorms. A heavy downpour, in the upper, narrower valleys of the higher Catskills, can quickly overwhelm the drainage system and raise the levels of the streams. Schoharie Creek has …

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The Origin of Modern Humans: Multiregional and Replacement Theories 10

The Origin of Modern Humans: Multiregional and Replacement Theories

Overview: Early Hominids: The first fossils of erect bipeds with our general body shape (called hominids) appear in Central Africa about 6.5 million years ago (mya). Until recently, the hominids were thought to have been limited to East Africa, but a recent find from Chad, called Sahelanthropus, indicates that the early group of hominids is quite diverse, both …

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