How come on a warm clear day clouds form at night?
Are there some materials that shrink faster that other materials in cold? If yes, which ones?
from Jersey City
How are mountains created?
How does air conditioning work?
What is the maximum number of decibels one ear can hear?
What is thought? Is it matter or energy? And how does the brain create a thought?
from San Jose
Is it possible to do a blood test (or some other type of tissue testing) to determine someone's...
Why does solar energy lose some of its strength when entering through the O-zone?
What is the highest and lowest canadian recorded air temperature?
from San Francisco
I have more than one question: Does Coffee work better for females or males? Does Coffee work...
from San Diego/California
Why does Aspartame taste so sweet? What is the chemistry involved in something that tastes sweet?
prashanth kumar aitha
why is BERMUDA TRIANGLE'S MYSTERY unsolvable?
Apparently we lose millions of brain cells every day. Does that mean we are getting dumber by the...
What two liquids combine that gives you a solid instantly?
from Thunder Bay, Ontario
What is colour? How does the brain perceive colour?
from Staten Island
How much energy did the highest energy neutrino detected so far have?
from Surrey, B.C.
I am doing a psychology paper on Near Death Experiences. I would like to ask if you have any...
from Lengerich. Germany
I appreciate it if you could tell me more about Philadelphia Experiment. I heard so much about it,...
Why is oxygen used in the brewing industries' fermentation tanks? What types of yeast or bacteria...
Brandten B Miller
from the Internet
How does the shape of the fuselage affect the glide distance of an aircraft? What is the best...
from Atlanta, Georgia
We all know that earthquakes are one of the primary causes of mountain formation. Does the...
from Chesapeake, VA
I teach moon phases to my third graders. On posters, in textbooks, and online, I have seen...
I am wondering how water/air changes it's molecular structure so that when air is heated it...
Can a 'stove' be made using methane gas produced by waste material?
What effect do pain killers have on the human brain? How exactly do they work? What about drugs...
from Sydney, NS
Can you contract diseases if someone's saliva gets in your eyes? A really disgusting thing happened...
from Sault Ste Marie
Since trees hold CO2 and produce oxygen, why would it not be beneficial to have marginal farmland...
from St. John's, Newfoundland
If, as we know, Carbon dioxide - a potent greenhouse gas - is heavier than air, why is it a...
from the Internet
How does cold front differ from warm front? How does a slow moving cold fromt differ rom a fast...
Can you explain where the "extra" ATP comes from in photosynthesis? As I understand it:
Is it humanly possible to `whistle' or make a sound at a high frequency (similar to a dog whistle)...
Could Dr. Michael Smith's discovery of site-directed mutagenesis be of benefit specifically to...
What is Tritium?
If you have a square 1 pound block with a front flat surface strike a ball, would it be the same as...
from the Internet
Should scientists have any moral responsibility in science? For example, do scientists consider the...
Are there any developments in the research on elastin in coronary heart disease? Is there any way...
If the average human were a PC computer, what would the specification be? (processor speed, memory,...
What makes the horizon glow pink and red?
What happens to a compass when it is held exactly on magnetic north? Does it just spin?
from Bakersfield, CA
Do neutron stars evolve further? Charts of star evolution always show the neuton star as the last...
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