As global dependence on fossil fuels is increasingly called into question, many nations, organizations, and individuals are exploring the use of biodiesel, a renewable fuel derived from vegetable oils (or animal fat),...
The songs of spring are in the air when migrating birds grace the skies, making regular seasonal journeys in response to alterations in weather, habitat, and food availability. The following websites cover various...
The Transit of Venus is similar to a solar eclipse, where -- from the perspective on Earth -- Venus passes in front of the Sun. This event does not happen very often. In fact, no one alive had witnessed this phenomenon...
This Topic in Depth explores data mining, also known as knowledge discovery in databases. Data mining is used to extract implicit, previously unknown, but potentially useful information from raw data. It is a blend of...
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