An overdose of numbing medications can cause fatal side effects if too much of the medicine is absorbed through your skin or gums and into your blood. This is more likely to occur when using a numbing medicine without the advice of a medical doctor (such as during a cosmetic procedure like laser hair removal).
Largest Beaver Dam Seen From Space. The dam in northern Canada spans 2,800 feet and has likely been under beavers' construction since the mid-1970s. A Canadian ecologist has discovered the world's largest beaver dam in a remote area of northern Alberta, an animal-made structure so large it is visible from space. Researcher Jean Thie said Wednesday he used satellite imagery and Google Earth software to locate the dam, which is about 850 meters (2,800 feet) long on the southern edge of Wood Buffalo National Park.
Below is a list of dams and reservoirs in Japan. As a nation of islands and narrow, steep valleys, dams play a vital role in Japanese society as they are constructed primarily to control floods, supply water and generate hydroelectric power. The tallest dam in Japan is the 186 m high Kurobe Dam. The largest dam by structural volume in the country is the Tokuyama Dam with 13,700,000 m3 of rock-fill. Tokuyama also creates Japan's largest reservoir with a water volume of 660,000,000 m3. Some of the