How do "security tags" in shops work? I'm referring to the white plastic, bar-coded tags containing...
from Melbourne, Australia
There are 2 routes I could take between home and work and they each take about the same amount of...
from Athens, Greece
I know that superconducting wires present their zero-resistance properties at low temperature...
from the Internet
Do all pencil lead erase the same? Why or why not? Which pencil lead erases the best?
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 is Chemistry involved in the field of Psychology?
from Boise, Idaho
My question is regarding plate tectonics. Is there a possibility that the extreme meltoff that...
My friend and I are doing a science fair project and we wanted to know which gender will remember a...
When making a mixture of solvents up to a particular volume eg. 2L of 25% methanol 75% DMSO. My...
from Fort Lupton
Why will hard boiled eggs tarnish silver. But a egg cooked scrambled in a pan with nothing else...
from St. Johns, Newfoundland
Comparing the storage capacity of the human brain to computers, if data and memories in a human...
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...
Barbara Lynn Terry
I understand that there is a hormone in the brain that regulates and controls sexuality. Is this...
We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please...
from Abilene, Texas, U.S.A.
Can you help me find a simple definition of "inertial coupling" (if there is a simple definition)....
What is electrical engineering? What is the difference between electrical engineering and...
Is it possible for a girl to get pregnant even if the man did not fully ejaculate? If a man and...
Could you explain what the fourth dimension is, exactly? Upon looking at an example put up by...
Why when you make lollypops do you have to boil the ingredients to 300 degrees for it to harden?
from South Africa
Why do some people bruise more easily than others? What is it that makes some people more sensitive...
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 cedarbrook middle school
In our science class we are doing a project about stereotyping scientists. We want to see if the...
Do scientists have a method of breaking CO2 down to oxygen and carbon? If so, would this be more...
from Hong Kong
How can I build a water purifier?
from Bloomington, IND.
Ok, this is my project: I have put roughly two cups of rice in a sock and threw it in the microwave...
I gave a child up for adoption in 1966. I have found someone who might be my child. She has type...
from Carleton Place, Ontario, Canada
Why do carrots spark when cooked in a microwave? Peel 1/2 a carrot, dice it into small pieces, put...
from Manchester, England!
Why does a sperm in the female reproductive system not get attacked? It has foreign antigens, which...
from Owen Sound, Ontario
When I grew up most oranges grapes and other fruit had seeds. This was the normal fruit and...
from Torrance, California
How far have scientist been able to dig into the earth surface?
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...
Gary A. Ballan
I know that there has been success with crossbreeding horses with zebras, dogs with wolves and...
Where can I find the degree day calculations for different regions in British Columbia and Alberta...
What education do you need to become an embryologist?
What is the composition of an American nickel? Also, do you think that a nickel has a higher...
from Louisville, Ky USA
If you light a campfire inside a cave in a permafrost zone will condensation form on the cave...
Is the up and down movement of a piston in a combustion engine a waste of impulse energy? The...
I am curious as to how much electricity over given periods of time (instantly to say a 10 seconds)...
What does the future of Psychology hold? New therapies for brain disorders? Computer...
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