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Crust (geology)
In geology, a crust is the outermost layer of a planet. The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks. The crust is underlain by the mantle. ... > more -
Hurricane proof building
Tornadoes, cyclones, and other strong winds damage or destroy many buildings. Here are some architectural design ... > more -
Numerical weather prediction
Numerical weather prediction is the science of predicting the weather using "models" of the atmosphere and computational techniques. Manipulating the huge datasets and performing the complex ... > more -
Introduced species
An introduced species (also known as an exotic species) is an organism that is not native to the place or area where it is considered introduced and instead has been accidentally or deliberately ... > more -
1976 Tangshan earthquake
The Tangshan earthquake of July 28, 1976 is one of the largest earthquakes in loss of life to hit the modern world. The epicentre of the earthquake was near the industrial city of Tangshan in Hebei, ... > more -
Impact event
Impact events are caused by the collision of large meteoroids, asteroids or comets (generically: bolides) with Earth and may sometimes be followed by mass extinctions of ... > more -
Solar wind
A solar wind is a stream of charged particles (i.e., a plasma) which are ejected from the upper atmosphere of a star. When originating from stars other than the Earth's Sun, it is sometimes called a ... > more -
Monarch butterfly
The Monarch butterfly (Danaus plexippus) is a well-known North American butterfly. Its wings feature an easily recognizable orange and black pattern. Monarchs are especially noted for their lengthy ... > more -
Hurricane Hugo
Hurricane Hugo was a destructive Category 5 hurricane that struck Puerto Rico, St. Croix, South Carolina and North Carolina in September of the 1989 Atlantic hurricane season, killing at least 70 ... > more
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