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Cheryl Wess asks

Why when you make lollypops do you have to boil the ingredients to 300 degrees for it to harden?

Ben Marengo from Manchester, England! asks

Why does a sperm in the female reproductive system not get attacked? It has foreign antigens, which...

Kayli Taylor from Belleville asks

I would like to know if you could help me in my quest to making harsher laws about Driving Under...

Sherry asks

Do all meteorologists have to work shift work before they can go on and do other things? How do you...

Diana from Tucson asks

How large is a human genome? What percentage of the DNA in the Human Genome actually codes for...

Anonymous from Vancouver, BC asks

Why is the golden ratio considered aesthetically pleasing? In other words, what are the...

Stephen Venneman asks

Could you explain what the fourth dimension is, exactly? Upon looking at an example put up by...

chris from Saint John asks

Boron trifluoride (BF3) is non-polar, yet is much more soluble in a polar tetrhydrofuran (THF) than...

Alain Goulnik asks

I have 2 parents and 4 grandparents (that's 2 generations). If I calculate the number of my...

Linda from Toronto asks

I have heard that the papiloma virus could be transmitted not only through sex but just by a...

Erin Price asks

How can I demonstrate the relationship between magnetism and organisms?

Andrew Brown from New york asks

What does the word enzyme mean and how does it work in laundry detergent?

Stuart Wills from Brisbane asks

I am curious as to how much electricity over given periods of time (instantly to say a 10 seconds)...

Tyler from Suwanee, Georgia asks

Why did humans develop pubic hair (facial, under arm, etc.)? And also why does the male voice...

Eric Leclair from Ottawa asks

In the past, I have used Vinegar to kill unwanted weeds along walkways, around the patio, etc......

KC from San Jose asks

When using invisible inks, why does the organic substances (like milk) in the writing burn more...

Joey Bergen asks

Do permanent magnets lose their strength when they are dropped and if so, why? I took two magnets...

Anonymous from the Internet asks

Do all pencil lead erase the same? Why or why not? Which pencil lead erases the best?

Frieda Trowbridge from Central Butte, Sask asks

Could you tell me the symptoms when given either thalium or strychnine?

Chris Shipman asks

Do scientists have a method of breaking CO2 down to oxygen and carbon? If so, would this be more...

Bertha Rodriguez asks

How is Chemistry involved in the field of Psychology?

Elizabeth from Los Angeles, CA asks

I'm doing a science report on Arsenic and i was wondering do you know what is the meaning of the...

JWMS Science Class from Winchester asks

We are studying the electromagnetic spectrum. We have a question. Can you speed up radio waves? If...

James Horwood from Vancouver asks

How can I determine the size and configuration of magnets required to hold together two 500gm...

Brittany Tardif from Cornwall asks

We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please...

Mark Bodnar from Abilene, Texas, U.S.A. asks

Can you help me find a simple definition of "inertial coupling" (if there is a simple definition)....

Talha asks

What is electrical engineering? What is the difference between electrical engineering and...

Sara J asks

What causes a human embryo heart to begin beating? And when a cell divides does it "spark"?

Devin Steele from Pooler asks

This is an archery question. Does an arrow fly faster in the hot or cold? or... Does the hot or...

Lindsay from New York City asks

What is the chemical make-up of film? I am searching for a detailed make-up of either 35mm film for...

Satish from Bangalore (India) asks

What is meant by booting in a computer?

John asks

How can I determine the specific gravity of a small rock? I have a very accurate digital scale, but...

Stephanie from Vancouver asks

Where can I find the degree day calculations for different regions in British Columbia and Alberta...

Alysha Gulutzan asks

How many electrons, protons, and neutrons make up a nickel atom?

Anonymous asks

What is the linear function of a circumference of circle to its diameter? I know the ratio is equal...

Linda Horsman from Gibsons, BC asks

What is the cause of static electricity? Also, I'm doing research for a book and I wanted to know...

Richard Hart from Victoria, BC, Canada asks

I am interested in metal fatigue in bicycle frames. Does the steel or aluminum in a bike frame get...

Philip Newman asks

How and where is aluminum made?

Gareth Cook asks

How do "security tags" in shops work? I'm referring to the white plastic, bar-coded tags containing...

Jeff Owens from Seattle WA USA asks

I have an interest in algebraic manipulation of known physical/chemical laws & principles. I am...