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Bermuda Triangle
The Bermuda Triangle (also known as Devil's Triangle) is a 1.5-million-square-mile area of ocean roughly defined by Bermuda, Puerto Rico, and the southern tip of Florida. Some believe it is a ... > more -
List of tornadoes and tornado outbreaks
These are some notable tornadoes, tornado outbreaks, and tornado outbreak sequences that have occurred around the ... > more -
Seasonal affective disorder
Seasonal affective disorder, or SAD, also known as winter depression is an affective, or mood disorder. Most SAD sufferers experience normal mental health throughout most of the year, but experience ... > 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 -
Timeline of Hurricane Katrina
This Wikipedia article contains a detailed historical timeline of the events of Hurricane Katrina. At approximately 8:14 AM CDT (1314 UTC) on Monday August 29, 2005, the New Orleans office of the ... > more -
Antarctic ice sheet
The Antarctic ice sheet is the largest single mass of ice on Earth. It covers an area of almost 14 million square km and contains 30 million cubic km of ice. Around 90 percent of the fresh water on ... > more -
Volcanic ash
Volcanic ash consists of very fine rock and mineral particles less than 2 mm in diameter that are ejected from a volcanic vent. Ash is created when solid rock shatters and magma separates into minute ... > more
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