The ulna is a long bone in the forearm stretching from the elbow to the wrist. It’s on the same side of the forearm as the little finger, running parallel to the radius, the forearm's other long bone.
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December 9, 2025
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On This Day
1907 - The U.S. Post Office in Wilmington, Delaware, became the first post office to offer Christmas Seals for sale.
Fact of the Day
2800 Polar Way, a cold storage facility in Richland, Wash., is the largest refrigerated warehouse and the largest automated freezer on earth, capable of storing 350 million pounds of frozen food.
Nature Oddities
Quokkas, which are small marsupials native to Western Australia, are known as the “world’s happiest animal” due to their smile.
Food and Drink
The largest semi-submersible structure ever built is the Havfarm 1, a floating mobile salmon farm in Norway that can farm 10,000 tons of salmon at any given time.