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The Groundhog is the only mammal to have a day named for him. Groundhog Day falls on February 2nd, each year. The Pennsylvania Dutch introduced the tradition to the U.S. in the 18th century. Originally, these early German immigrants had celebrated Candlemas in Germany with the badger, but transferred the honor to the Groundhog. Candlemas […]
All unborn mammalian babies have a large shunt, a blood vessel that carries blood around the liver instead of through it to the heart. This shunt, called the ductus venous should close down just before or after birth. Sometimes it does not stop working and is a defect known as an intrahepatic (hepatic referring to […]
