One thing you might not have known about NASA is their role in the development of air traffic management. According to the FAA there are an average of 45,000 flights every day in the US, and every one of those planes needs to be able to take off, fly, and land in an incredibly complex network of tangled paths, all without running into one another.
If asked, rather few people would guess that the deadliest day for America in WWII took place in October, 1944, 9 months before the end of the war.
On October 19, 1762 the day was so dark at Fort Detroit that candles were needed to see at noon. A British officer called the day "The most extraordinary dark day perhaps ever seen in the world." Some would take the darkness as a sign.
Solenopsis invicta, the “Red Imported Fire Ant”, native to South America, has proven a tenacious and destructive pest in the United States, costing Americans billions of dollars every year. That is why, in the late 1950s, the United States embarked on an all out war against the six-legged menace.