The bones, fossils and dating methods of evolution
By: Billy B. Bob
Paleoanthropology: Dating the Cave Deposits of South AfricaBoth the South African sites of Sterkfontein and Makapansgat are comprised of cave deposits with sediments that are calcified as cave breccia. This includes the South African sites of Kromdraai and Swartkrans, as well. The provenience of a...
UFOs: A decade of contact
By: Jishi Santos
U.F.O.s: a decade of contact? More like since the beginning of time.Strange title this, except if you meant that there seems to be more contact during some decades than others, such as in the 1970's. U.F.O.'s have been...
Pagan rituals involving the Spring Equinox
By: Kristin Kurtzweil
Pagan holidays are intrinsically connected to the cycles of the seasons and, thus, are linked to both astronomical phenomena and agriculture. The spring equinox (also called the vernal equinox) in particular occurs circa March 21st by current time-keeping standards and is astronomically one of two...
A look at the types of lunar eclipses
By: Kimberly Humphrey
The definition of a lunar eclipse is when the moon moves into the shadow of the Earth created by the sun, therefore, distorting its image and color. There are three basic types of lunar eclipses: the penumbral eclipse, a total eclipse, and a partial eclipse...
By: Allen Teal
As the Celsius temperature scale gains more acceptance in society, it becomes more important in daily life to be able to make the conversion from Fahrenheit to Celsius and back. Celsius may sometimes be called Centigrade by old school science students. The more commonly accepted...
By: Allen Teal
Time is such a fascinating topic. The same people who never seem to have enough time will waste time. Time which is a limited commodity in the lives of people is treated as limitless when used in small quantities. Getting a handle on just what...
Nanotechnology: The science of the small
By: Des'Carte
As we speak, engineers are developing new ways to revolutionize technology as a whole. The future of nanotechnology will become a reality in the coming years and soon silicon chips, terminal illnesses, and even the process of aging will all be replaced for good. We...
The future of fusion as an alternative energy source
By: Hal Lillywhite
The one word to describe fusion as an energy source is "uncertain." Scientists and engineers have been trying for controlled, earth-bound fusion for over 50 years. The primary result has been frustration. In fact there is a saying that "fusion is the energy source...
By: Rick Bavera
How to View the Sun SafelyThe human eyes are amazing pieces of biology. They are able to process huge amounts of visual information. An interesting piece of information is that even if we touch them with our finger, a contact lens or a piece of...
An overview about the chemical element Promethium
By: Xauri'El Zwaan
Promethium is a highly radioactive lanthanoid, a synthetic rare earth metal. In its pure state it is silver-gray and metallic, though it is almost always used as a compound. Its atomic number is 61; its atomic symbol is Pm. It has an atomic radius of...

 

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