What does the epiglottis do?
I am a novice and I am looking to buy a telescope for around $350. Which one would be better for...
from Springville, NY
How many languages are there in the world?
A. S. Kaire
If the earth were suddenly stopped in its orbit, how long would it take for it to fall into the sun?
Is it possible to make a soap bubble that you can get inside?
If one were to drop an item on the surface of the sun, assuming the object could free fall to the...
from Nottingham, England
Is gravity lumpy? If you were standing in a valley, then on a mountain, would your weight be less...
Can you help me with the physics of an amusement park ride called the Magic Carpet? The Magic...
from Scotch Lake, Cape Breton, N.S.
If nothing can escape from a black hole, how come we are here? The big bang must have...
What it the chemical composition of styrofoam? What raw material is the styrofoam made off?
from Salem, VA
I am doing a research project on the strength of different batteries. Is there a cheap way to test...
from the Internet
What gives yellow corn and blue corn its color? What is the specific pigment and why?
from Sherbrooke, Quebec
What is the expecting salary for a zoologist in Canada?
from Carlisle, PA
What is the chemical formula for milk?
Will Cyanide be a poison to brewer's yeast used to make beer?
My brother and I have a very important bet and it is about the following: If you remove the...
from Washougal, WA
I spilled some iodine disinfectant on my vinyl tile floor. As an old chemist, the only chemical I...
How do "bath bombs" work? Why do they fizz when placed in water?
It truly seems that the world is indeed warming up and I do believe it is being caused by us. ...
from Ottawa, Ontario
I have been teaching high school science for 16 years and I am interested in knowing what you feel...
from Sacramento, CA
I am a firearms Instructor for Law Enforcement Officers. I am teaching a course on training male...
How long does it take bubble gum to digest after it is swallowed?
I was taught at school that the building blocks of all matter were quarks, yet a neutrino is at...
Is my counting right?: There are 76 elementary particles in the standard model:
6 leptons + 6...
How does a boat float? What is the scientific principle?
from the Internet
Why is a magnet classified as dangerous goods when shipping by air?
from Burlington, Ontario
My roommate insists that the first day of Spring falls on March 21st every year, yet on the...
from Staten Island
If mini black holes would be produced at Cern (LHC) and in ultrahigh energy cosmic rays hitting the...
HELLO I have A VERY IMPORTANT EMAIL. THIS IS STRICTLY CONFEDENTIAL AND CONCERNS THE ENTIRE HISTORY...
Is it possible to focus gamma rays into one beam and then reflect it off an orbiting mirror onto a...
Are there any planned future deep space explorations planned say in the next 5 or so years. Surely...
Yesterday I was watching "Hercules" with my little sister and now I wonder: Have the planets ever...
I'm wondering if I have a tube filled with argon gas, or some other inert gas, and heat up a...
from the Internet
In their book on the 'Mammals of Britain and Europe', MacDonald and Barrett state that Red Foxes...
from St. John's, NL
Lightning strikes produce huge amounts of electricity. Has science looked at ways to store and use...
On average, how much petrol is burned per minute of idling?
C. Erik Grisham
Is there an exact relationship between Gravitational forces and Centrifugal forces? If so, is...
Could you explain the idea that gravity could be thought of a depression or well, much like when a...
Will sodium or ammonium nitrate react with hydrogen sulfide ? If yes, what are the expected...
from Ocean Pines, MD
A student gave me 4 pairs of different duck and goose feet. How can I preserve them? Do I dry them...
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