from San Jose
When using invisible inks, why does the organic substances (like milk) in the writing burn more...
Donald W. Owens
Can you explain the formula for computing the hydrogen burning lifetime of a star with 15 solar...
from Louisville, Ky USA
If you light a campfire inside a cave in a permafrost zone will condensation form on the cave...
Why is milk sometimes referred to as being a homogeneous mixture, while at other times it is said...
How can I demonstrate the relationship between magnetism and organisms?
I have heard that the papiloma virus could be transmitted not only through sex but just by a...
Why when you make lollypops do you have to boil the ingredients to 300 degrees for it to harden?
How can I determine the size and configuration of magnets required to hold together two 500gm...
I am curious as to how much electricity over given periods of time (instantly to say a 10 seconds)...
from the Internet
Do all pencil lead erase the same? Why or why not? Which pencil lead erases the best?
from Manchester, England!
Why does a sperm in the female reproductive system not get attacked? It has foreign antigens, which...
from Suwanee, Georgia
Why did humans develop pubic hair (facial, under arm, etc.)? And also why does the male voice...
from Fort Lupton
Why will hard boiled eggs tarnish silver. But a egg cooked scrambled in a pan with nothing else...
Do permanent magnets lose their strength when they are dropped and if so, why? I took two magnets...
What causes a human embryo heart to begin beating? And when a cell divides does it "spark"?
Do all meteorologists have to work shift work before they can go on and do other things? How do you...
How is Chemistry involved in the field of Psychology?
Could you explain what the fourth dimension is, exactly? Upon looking at an example put up by...
from St. Johns, Newfoundland
Comparing the storage capacity of the human brain to computers, if data and memories in a human...
With the volume of the earth, how many baseballs can fit inside it?
How do "security tags" in shops work? I'm referring to the white plastic, bar-coded tags containing...
What is electrical engineering? What is the difference between electrical engineering and...
We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please...
from Gibsons, BC
What is the cause of static electricity? Also, I'm doing research for a book and I wanted to know...
from Saint John
Boron trifluoride (BF3) is non-polar, yet is much more soluble in a polar tetrhydrofuran (THF) than...
I have 2 parents and 4 grandparents (that's 2 generations). If I calculate the number of my...
Do scientists have a method of breaking CO2 down to oxygen and carbon? If so, would this be more...
from Abilene, Texas, U.S.A.
Can you help me find a simple definition of "inertial coupling" (if there is a simple definition)....
Sara J Shaw
from Northwood, NH
I have aplastic anemia, and from what I understand, my T-cells are destroying the stem cells from...
from Los Angeles, CA
I'm doing a science report on Arsenic and i was wondering do you know what is the meaning of the...
My friend and I are doing a science fair project and we wanted to know which gender will remember a...
How can I determine the specific gravity of a small rock? I have a very accurate digital scale, but...
from South Africa
Why do some people bruise more easily than others? What is it that makes some people more sensitive...
Barbara Lynn Terry
I understand that there is a hormone in the brain that regulates and controls sexuality. Is this...
Where can I find the degree day calculations for different regions in British Columbia and Alberta...
How and where is aluminum made?
from New York City
What is the chemical make-up of film? I am searching for a detailed make-up of either 35mm film for...
JWMS Science Class
We are studying the electromagnetic spectrum. We have a question. Can you speed up radio waves? If...
What is the linear function of a circumference of circle to its diameter? I know the ratio is equal...
from Victoria, BC, Canada
I am interested in metal fatigue in bicycle frames. Does the steel or aluminum in a bike frame get...
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