Why when you make lollypops do you have to boil the ingredients to 300 degrees for it to harden?
Why is milk sometimes referred to as being a homogeneous mixture, while at other times it is said...
from Vancouver, BC
Why is the golden ratio considered aesthetically pleasing? In other words, what are the...
I have 2 parents and 4 grandparents (that's 2 generations). If I calculate the number of my...
In the past, I have used Vinegar to kill unwanted weeds along walkways, around the patio, etc......
Donald W. Owens
Can you explain the formula for computing the hydrogen burning lifetime of a star with 15 solar...
Could you explain what the fourth dimension is, exactly? Upon looking at an example put up by...
I am curious as to how much electricity over given periods of time (instantly to say a 10 seconds)...
Do all meteorologists have to work shift work before they can go on and do other things? How do you...
from San Jose
When using invisible inks, why does the organic substances (like milk) in the writing burn more...
from New york
What does the word enzyme mean and how does it work in laundry detergent?
from Manchester, England!
Why does a sperm in the female reproductive system not get attacked? It has foreign antigens, which...
from Central Butte, Sask
Could you tell me the symptoms when given either thalium or strychnine?
I have heard that the papiloma virus could be transmitted not only through sex but just by a...
from Saint John
Boron trifluoride (BF3) is non-polar, yet is much more soluble in a polar tetrhydrofuran (THF) than...
Do scientists have a method of breaking CO2 down to oxygen and carbon? If so, would this be more...
How can I determine the size and configuration of magnets required to hold together two 500gm...
What is electrical engineering? What is the difference between electrical engineering and...
from the Internet
Do all pencil lead erase the same? Why or why not? Which pencil lead erases the best?
We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please...
How can I demonstrate the relationship between magnetism and organisms?
from Suwanee, Georgia
Why did humans develop pubic hair (facial, under arm, etc.)? And also why does the male voice...
Do permanent magnets lose their strength when they are dropped and if so, why? I took two magnets...
Where can I find the degree day calculations for different regions in British Columbia and Alberta...
What causes a human embryo heart to begin beating? And when a cell divides does it "spark"?
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...
How is Chemistry involved in the field of Psychology?
from Gibsons, BC
What is the cause of static electricity? Also, I'm doing research for a book and I wanted to know...
How do "security tags" in shops work? I'm referring to the white plastic, bar-coded tags containing...
How can I determine the specific gravity of a small rock? I have a very accurate digital scale, but...
This is an archery question. Does an arrow fly faster in the hot or cold? or... Does the hot or...
What is the linear function of a circumference of circle to its diameter? I know the ratio is equal...
Sara J Shaw
from Northwood, NH
I have aplastic anemia, and from what I understand, my T-cells are destroying the stem cells from...
How and where is aluminum made?
JWMS Science Class
We are studying the electromagnetic spectrum. We have a question. Can you speed up radio waves? If...
from Abilene, Texas, U.S.A.
Can you help me find a simple definition of "inertial coupling" (if there is a simple definition)....
Barbara Lynn Terry
I understand that there is a hormone in the brain that regulates and controls sexuality. Is this...
My friend and I are doing a science fair project and we wanted to know which gender will remember a...
I am currently doing research on the e-bow, a guitar effect that calls upon an infinite feedback...
How can I create a real light saber? It does not have to be completely like the ones in the movie...
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