People with color blindness are not blind in the most common sense of the word; their condition can perhaps be more accurately described as a color vision deficiency. Those who suffer from it tend to see colors in a limited range of hues—most commonly they are unable to distinguish red and green—while a rare few may not see colors at all. The condition is often genetic, but it can also be acquired through eye disease. When did the scientific community first acknowledge color blindness?
Back in the day
Children's bath toys may seem an unlikely source of oceanographic data, but that is just what they have been since 1992, when a shipment of Friendly Floatees from China went rogue while en route to Tacoma, Washington. It all began when 12 shipping containers went overboard during a storm in the Pacific. One broke open, releasing 28,800 toy ducks, beavers, frogs, and turtles into the water. Oceanographer Curtis Ebbesmeyer began tracking their progress after the first Floatees washed ashore where?
Born on a day like today
Japanese author, educator, and publisher Fukuzawa Yukichi grew up during a tumultuous time in Japan, as Western powers began infiltrating the country and the Japanese people's hostility toward the ruling shogunate grew. Fukuzawa—who was intrigued by the West—traveled to the US on a diplomatic mission in 1860 and afterward became involved in Japan's Meiji Restoration, which restored the emperor to power and rapidly modernized the country. What is considered Fukuzawa's most important contribution?