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.
World's tallest water slide set to open after multiple delays. After several months of delays, Verruckt, the worldâs tallest water slide, is set to open Thursday in Schlitterbahn water park in Kansas City, Kan. At a little more than 168 feet high, the ride is taller than New Yorkâs Statue of Liberty.