Nature

Common kestrels fighting
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Common kestrels fighting


The name "kestrel" is derived from the French crécerelle which is diminutive for crécelle, which also referred to a bell used by lepers. Archaic names for the kestrel include windhover and windfucker, due to its habit of beating the wind (hovering in air)

 



MRI of a rambutan. Bon appetit!
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MRI of a rambutan. Bon appetit!


 



Calcite displays some amazing optical properties
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Calcite displays some amazing optical properties


Calcite crystals occasionally show phosphorescence or fluorescence, but they are also display birefringence (or double refraction). This strong birefringence causes objects viewed through a clear piece of calcite to appear doubled!

 



The evolution of average annual temperatures between 1860 and 2016
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The evolution of average annual temperatures between 1860 and 2016


 



A question of perspective
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A question of perspective


 



The proboscius monkey is a great jumper
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The proboscius monkey is a great jumper


Nasalis larvatus is a reddish-brown arboreal Old World monkey with an unusually large nose. It is endemic to the southeast Asian island of Borneo

 



Beautiful iridescent clouds
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Beautiful iridescent clouds


Iridescent clouds are a diffraction phenomenon caused by small water droplets or small ice crystals individually scattering light. It is a fairly common phenomenon

 



The 3rd oldest river on Earth is called New River
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The 3rd oldest river on Earth is called New River


Located in the Appalachians (North America), the New River is estimated to be 260 to 325 million years old

 



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Hurricane Matthew captured by cameras of the ISS


The International Space Station flew 250 miles over this Category 5 Atlantic hurricane on October 3, 2016

 



The aptly named Blue Planet
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The aptly named Blue Planet


The Pacific Ocean covers an area of 166 millions km². It's the largest and deepest of the World's oceanic basins

 



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Aseroe rubra, also known as starfish fungus, emerging


 



A breathtaking view of the Black Pool hot spring
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A breathtaking view of the Black Pool hot spring


It is located in the West Thumb Geyser Basin of Yellowstone National Park

 



A grizzly–polar bear hybrid is called grolar or pizzly bear
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A grizzly–polar bear hybrid is called grolar or pizzly bear


It is a rare ursid hybrid that has occurred both in captivity and in the wild. In 2006, the occurrence of this hybrid in nature was confirmed by DNA testing

 



India contributes to 75% of the global spice production
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India contributes to 75% of the global spice production


 



Moon trees are planted all across the United States
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Moon trees are planted all across the United States


They are grown from 500 seeds that were taken into orbit around the Moon in 1971 during the Apollo 14 mission