17 agosto 2016

TODAY IN THE HISTORY OF PSYCHOLOGYVisit –>...



TODAY IN THE HISTORY OF PSYCHOLOGY

Visit –> all-about-psychology.com for free psychology information and resources.

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Meteor before Galaxy


What's that green streak in front of the Andromeda galaxy? A meteor. While photographing the Andromeda galaxy last Friday, near the peak of the Perseid Meteor Shower, a sand-sized rock from deep space crossed right in front of our Milky Way Galaxy's far-distant companion. The small meteor took only a fraction of a second to pass through this 10-degree field. The meteor flared several times while braking violently upon entering Earth's atmosphere. The green color was created, at least in part, by the meteor's gas glowing as it vaporized. Although the exposure was timed to catch a Perseids meteor, the orientation of the imaged streak seems a better match to a meteor from the Southern Delta Aquariids, a meteor shower that peaked a few weeks earlier.

from NASA http://ift.tt/2bcr8t5
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In West Africa, shea butter is used primarily for cooking (and...



In West Africa, shea butter is used primarily for cooking (and a variety of other uses, but mainly cooking). It comes from the hard nuts of the shea tree, which are cracked, crushed, roasted, ground, and separated to make a Crisco-like product. A recent study of charred nutshells from house sites in shows that shea has been harvested and processed since about 100 CE, a millennium earlier than was once thought. The trees were apparently protected and maintained as surrounding land was farmed; even that early, humans knew its extra calories will help during leaner time. And anything fatty just makes food taste better, too.

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Supernova Ejected from the Pages of History


A new look at the debris from an exploded star in our galaxy has astronomers re-examining when the supernova actually happened.

from NASA http://ift.tt/2aZURrp
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Tokyo Stock Exchange, circa 1910, on the right.



Tokyo Stock Exchange, circa 1910, on the right.

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