Browse Reference Articles
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Dust storm
A dust storm (or sandstorm in some contexts) is a meteorological phenomenon. Such a storm is usually the result of convection currents created by intense heating of the ... > more -
Underwater explosion
An underwater explosion, also known as an UNDEX, is an explosion beneath the surface of water. The type of explosion may be chemical or nuclear. They are categorised in accordance with their depth ... > more -
Ozone layer
The ozone layer is the part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few parts per million - much higher than the ... > more -
1997 Pacific typhoon season
The 1997 Pacific typhoon season has no official bounds; it ran year-round in 1997, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and ... > more -
Activated carbon
Activated carbon (also called activated charcoal) is the more general term which includes carbon material mostly derived from charcoal. It denotes a material which has an exceptionally high surface ... > more -
Cyclone Mala
Cyclone Mala, also known as Very Severe Cyclonic Storm Mala, was the strongest tropical cyclone of the 2006 North Indian cyclone ... > more -
Hurricane Charley
Hurricane Charley was the third named storm, the second hurricane, and the second major hurricane of the 2004 Atlantic hurricane ... > more -
Heirloom plant
An heirloom plant is an open-pollinated cultivar that was commonly grown during earlier periods in human history, but which is not used in modern large-scale agriculture. Since most popular heirloom ... > more
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