Definition of hickory. plural. hickories. 1a : any of a genus (Carya) of North American hardwood trees of the walnut family that often have sweet edible nutsb : the usually tough wood of a hickory. 2 : a switch or cane (as of hickory wood) used especially for punishing a child.
Size matters, but it's not everything The largest brain on earth belongs to the sperm whale, the same species as the main character in Melville's yarn. The adult sperm whale brain is 8,000 cubic centimeters.Our brain is about 1300 cubic centimeters. This is equivalent to the difference in engine displacement (the space in the cylinders) of a 1960s VW beetle compared with two and a half Formula One race cars.he frontal lobes of the dolphin brain are comparatively smaller than in other mammals, but the researchers found that the neocortex of the Minke whale was surprisingly thick. The whale neocortex is thicker than that of other mammals and roughly equal to that of humans (2.63 mm).
Instead, the spermaceti organ contains high quality oil. Sperm whales are very difficult to study because they spend most of their time in open water, away from coastlines. Sperm whales can dive to 3000 feet (915 meters) in pursuit of giant squid, their primary prey. Interesting Facts: 1  Sperm whales have huge heads (40% of the body length) and possess the largest brain of any creature that has ever lived on Earth. 2  Sperm whales produce intense clicks, sometimes in a series.