25 janeiro 2018

"I have, from an early age, abjured the use of meat, and the time will come when men such as I will..."

“I have, from an early age, abjured the use of meat, and the time will come when men such as I will look on the murder of animals as they now look on the murder of men.”

- Leonardo da Vinci. He felt so strongly against men eating animals that he often purchased poultry just so he could set the birds free.
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Day of Remembrance 2018


On the last Thursday in January, NASA pays tribute to the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other NASA colleagues who lost their lives while furthering the cause of exploration and discovery.

from NASA http://ift.tt/2GiIbGQ
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American World War II General George Patton went to the...



American World War II General George Patton went to the Olympics in 1912, and placed fifth in the pentathlon!

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Science On The Trail

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The Psychology eBook Collection

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Cartwheel of Fortune


By chance, a collision of two galaxies has created a surprisingly recognizable shape on a cosmic scale, The Cartwheel Galaxy. The Cartwheel is part of a group of galaxies about 500 million light years away in the constellation Sculptor. Two smaller galaxies in the group are visible on the right. The Cartwheel Galaxy's rim is an immense ring-like structure 150,000 light years in diameter composed of newly formed, extremely bright, massive stars. When galaxies collide they pass through each other, their individual stars rarely coming into contact. Still, the galaxies' gravitational fields are seriously distorted by the collision. In fact, the ring-like shape is the result of the gravitational disruption caused by a small intruder galaxy passing through a large one, compressing the interstellar gas and dust and causing a a star formation wave to move out from the impact point like a ripple across the surface of a pond. In this case the large galaxy may have originally been a spiral, not unlike our own Milky Way, transformed into the wheel shape by the collision. But ... what happened to the small intruder galaxy?

from NASA http://ift.tt/2DB4lGF
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