1 The cerebrum makes up 85 percent of the brain's weight. 2  It contains about 86 billion nerve cells (neurons), the gray matter. 3  It contains billions of nerve fibers (axons and dendrites), the white matter. 4  These neurons are connected by trillions of connections, or synapses.
Making a Mammoth splash: The longest water-coaster in the world. These are the first images of the world's longest water-coaster - a ride that is guaranteed to make a splash when its (flood) gates open next year. The Mammoth, which cost $9 million (Â£5.5 million) and features a five-storey drop, will open at Holiday World & Splashin' Safari, in Santa Claus, Indiana, in May 2012.
That's exactly the idea behind Schlitterbahn Water Park's newest attraction, the exotically named VerrÃ¼ckt. Located in Kansas City, Kansas, USA, the VerrÃ¼ckt is scheduled to open to the public May 23 and when it does, it will do so as the tallest water slide. Officially verified by Guinness World Records prior to its opening, the VerrÃ¼ckt stands at a record-breaking height of 51.38 m (168 ft 7 in).