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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...

Jeff Owens from Seattle WA USA asks

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

Chanell from South Africa asks

Why do some people bruise more easily than others? What is it that makes some people more sensitive...

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?

Gary A. Ballan asks

I know that there has been success with crossbreeding horses with zebras, dogs with wolves and...

Gary Edwards from Carleton Place, Ontario, Canada asks

Why do carrots spark when cooked in a microwave? Peel 1/2 a carrot, dice it into small pieces, put...

Jenn from Torrance asks

What is the composition of an American nickel? Also, do you think that a nickel has a higher...

Suzanne Hamricks asks

I gave a child up for adoption in 1966. I have found someone who might be my child. She has type...

Robert asks

What is more efficient: to push or pull a car (front wheel vs. rear wheel drive)?

Kim from london asks

When making a mixture of solvents up to a particular volume eg. 2L of 25% methanol 75% DMSO. My...

Tsiadimos Nick from Athens, Greece asks

I know that superconducting wires present their zero-resistance properties at low temperature...

Sarah from the Internet asks

Why doesn't pepsin break down gelatin on developed photographic film or does it just take a very...

Stef asks

How are minerals used in the production of Canadian coins?

David from the Internet asks

Where did the constant pi (3.14159...) come from? Who discovered it and when?

Beth Conrad from Hong Kong asks

How can I build a water purifier?

Curious_Boy from the Internet asks

How do fronts affect temperature? Do pressure centres affect temperature as well? I know that they...

Anonymous asks

How does light therapy work for people with SAD (Seasonal Affective Disorder)?

Leo Molenaar asks

Is the up and down movement of a piston in a combustion engine a waste of impulse energy? The...

Yuriy Yashkir asks

What does the future of Psychology hold? New therapies for brain disorders? Computer...

Alysha Gulutzan asks

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

Steve Clarke from Essex, England asks

What will happen when individual IC (integrated circuit) components reach the size of atoms and...

Eli Sklar asks

What education do you need to become an embryologist?

Lisa Fondelius from Borås, Sweden asks

If pepsin digests proteins in the stomach, how do orally taken vaccines work?

Eric Chan asks

I am considering an idea to measure the effects of ozone depletion. I intend to use an ozone making...

Sheila Hart asks

How can you detect a chemical in the human body even after it has passed through? For example,...

Jefrey from KL asks

What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the...

Kushagra Bhargava from Jaipur asks

Sir please tell me how the lghtwaves gets their momentum or how they come into motion?

Emma from the Internet asks

Why has Aluminium only recently been extracted from its ore?

Steve Appleby asks

What catalysts are needed to break down plastic containers, such as yogurt cups?

Adam Moore from Denver, Colorado asks

I am in the 6th grade in Denver, Colorado. I made a machine out of 2 by 4s that will kick a ball. ...

Selena Henderson from Houston asks

Why don't hurricanes hit the country of Panama? Is there any data predicting the probability of...

Kaycie Nabeta asks

Does the location of chlorophyll a in the thylakoid membrane have anything to do with its...

David from Kitchener, Ontario, Canada asks

My question may be hard to answer. I have wanted to be a scientist since I knew what science was,...

Hannah asks

I am very interested in getting into the field of Psychology and would appreciate basic and...

James Hope from Gloucester asks

Last year in school we learned about nuclear decay, and how some atoms decay by releasing gamma...

Sandi Schacher asks

How do cells know when to stop growing (dividing)? How does cancer change the cell so that it no...

Zach asks

How were the organelles in the cell named?

Jackie B. from Wisconsin asks

Which metal conducts heat the fastest?

Sue Smith from Salem, Oregon, USA asks

I am wondering about the difference between wood bats and aluminum alloy bats; I need a simple way...