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This list includes all 60 confirmed impact structures in North America in the Earth Impact Database (EID). These features were caused by the collision of large meteorites or comets with the Earth. For eroded or buried craters, the stated diameter typically refers to an estimate of original rim diameter, and may not correspond to present surface ...
Less than ten thousand years old, and with a diameter of 100 m (330 ft) or more. The EID lists fewer than ten such craters, and the largest in the last 100,000 years (100 ka) is the 4.5 km (2.8 mi) Rio Cuarto crater in Argentina. [2]
The American black bear (Ursus americanus), or simply black bear, is a species of medium-sized bear endemic to North America. It is the continent's smallest and most widely distributed bear species. It is an omnivore, with a diet varying greatly depending on season and location. It typically lives in largely forested areas but will leave ...
According to the California Department of Fish and Wildlife, Miller's death is the first confirmed fatal attack by a black bear in California. [9] [10] [11] June 16, 2023: Steven Jackson, 66, male Wild USA, Groom Creek, Arizona — The victim was sitting in a chair outside of his campsite when an adult male black bear attacked him. The bear ...
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Historically, there are three bear ranges in the state − the Alleghany bear range in the southwest, the Catskills bear range in the southeast and the Adirondack bear range in the northern part ...
While you read this, an autonomous impact protection vehicle is making its way around Colorado. You know the type: They're big, yellow, and tend to be deployed behind road workers to prevent you ...
Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested when investigating the safety of aircraft and vehicles. Different criteria are used to figure out how safe a structure is in a crash, depending on the type of impact and the vehicle involved.