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There are 14 questions found in this category:
If someone is blind from birth, can they still see images in their dreams?

Visual stimulus is necessary for the wiring of the brain centers that process and interpret vision. The way the brain works is to develop, early in life, a huge number of ......
Last Update: 2008-06-05 Views: 1083
Does an earth worm have any organs?

Earthworm is the usual name for the largest members of Oligochaeta (which is either a class or subclass depending on the author) in the phylum Annelida. In classical systems they were placed in the order Opisthopora, ......
Last Update: 2008-05-30 Views: 169
What would happen if the food chains or webs had no scavengers or decomposers?

    If there were no decomposers and scavengers then all the nutrients would be trapped in the remnants of formerly living creatures. Thus without the nutrients that would remain in the ......
Last Update: 2008-01-12 Views: 254
how is paper made?

There are two ways to make paper are chemical and mechanical. Chemical process use chemicals to break down the lignin in wood pulp. This process preserves fiber length and makes stronger ......
Last Update: 2008-01-10 Views: 271
is plastic recycling bad for the environment?

Recycling plastic is not bad for the environment in fact it’s exactly the opposite. Plastics are for the most part made from oil. The less new plastic we need to create, ......
Last Update: 2008-01-04 Views: 286
Why do people sometimes have red eyes in photographs?

The light from the flash of a camera happens so fast that the iris of the eye is unable to close the pupil in time to block the light of the ......
Last Update: 2008-01-04 Views: 324
What exactly is ball lightning?

Well the short answer is we do not know.  We have no clear definition of what it is nor how its created. Ball lighting can move upwards as well as downwards ......
Last Update: 2007-12-19 Views: 322
What is a black hole?

    A black hole is essentially a point in which the force of gravity is so great that nothing can escape from it. Black Holes are the remnants of large stars ......
Last Update: 2007-12-14 Views: 294
Describe how carbonic acid forms in nature? How can human activity affect this?

    Carbonic Acid is formed when water is infused in nature with CO2 this happens when water passes through soil that contains naturally decaying matter that is releasing CO2. If this ......
Last Update: 2007-12-13 Views: 432
What causes the sound of thunder?

It is currently not known what causes thunder. In the 19th century it was believed that thunder was an explosion of steam caused when water heated up along the lighting. In ......
Last Update: 2007-12-13 Views: 304
How long does it take for the earth to travel around the sun?

It takes the earth one year 365 days. There are many minor factors that lengthen and shorten how long it takes the earth to orbit the sun that why we have ......
Last Update: 2007-12-09 Views: 318
How long would it take to travel to the Moon from Earth?

The distance between the Earth and the moon is always changing due to an elliptical orbit, that average distance is 384,399 kilometers.  There are also a number of ways to get ......
Last Update: 2006-11-22 Views: 2183
How did life begin? It can't have just started from nowhere....in other words, do things like bacteria just appear out of nowhere or is it something that sets it off and if so how did that thing come about to set it off?

Great question, one of few questions, and possible the only question, that may not be answerable definitively.  The question of how life began is what drives most religions and much of ......
Last Update: 2006-08-14 Views: 615
What is Alchemy?

Alchemy was an early form of science.  Alchemy was not quite the fully scientific process that we use today, but rather a hybrid of sciences such as; chemistry, metallurgy, physics, and ......
Last Update: 2006-05-26 Views: 433
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