Ernie Epp from Kenora, ON asks

Collision of galaxie clusters. In recent news reports that I've read it has been reported...

Duane from the Internet asks

If two magnets are in contact with each other or close proximity to each other either repulsing or...

Richard Hart from Victoria, BC, Canada asks

My wife asked me, "What does the sun burn and why doesn't it burn out?" I told her about helium...

David Keirsey asks

What are the quantum numbers that are involved in the distinction between matter and antimatter? I...

Kiran Gupta from Singapore asks

Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...

Fester from Tacoma asks

I'm doing a science project and my topic is about the speed of sound. I was wondering if you...

Steve Tran asks

Hi, my name is Steve and I am a junior bodybuilder. Which one gives you the red tan, the normal...

Liz Morice asks

What makes the aluminum powder in an Etch-A-Sketch stick to the glass to make an image?

Cristina asks

How far is the Sun from Pluto? How long does it take for sunlight to travel to Pluto?

Jonathan Weiler asks

Would it be possible to clone dinosaurs?

Felicia asks

Is it true that if you're pegnant and you get sick, there is a chance your baby will get sick?

Shayne Paterson from Lincolnshire, UK asks

I am currently researching EMP for a essay at my college. My essay is looking at possible...

Daniel Wong from Singapore asks

How do miners mine for Uranium?

Fern Marques from North Bay, Ontario asks

How can planetary angular momentum be tranferred from one body (Earth's rotation) to another...

Leo Capistrano asks

How long would a single molecule of a radioactive element last? If the half-life of U-235 reduces...

M Harish from Mumbai asks

Why does a bar magnet repel when it breaks?    n====|====s

Michelle from San Jose asks

What are vinyl erasers made of?

Chris from J-town asks

A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...

John Crowe from Dublin asks

If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...

dina from Cairo, Egypt asks

I'm interested about light. I have two questions: What is the difference between scattering and...

Harrison from the Internet asks

Why does decaying food cause gas? I have been trying to find resources but can't find any could you...

hart from the Internet asks

I understand that alkenes are more reactive than alkanes. I recently read however, in a new high...

John Jones asks

Why has our departmental tarantula, who lives in my office, retreated into a cardboard tube and...

Mohsen Omrani from Tehran, Iran asks

I am interested in Computational NeuroScience, particularly in Colour Vision, Land's Effect, and...

Anonymous from Queens, NY asks

I would like to know why the bananas has that semi circular shape. I wonder if it is because the...

Teresa Golebiewski asks

Why doesn't oil freeze? Would it freeze at -270 degrees?

E.H. from AOL asks

I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...

Nabita from Montreal asks

I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...

Kay asks

How can a star become small and dense enough to become a black hole? My understanding is that a...

Kim Monin from Nepean, Ontario asks

I am trying to make natural beeswax into an ivory colour. Some people say they use natural dyes. ...

Rudolf Olivier from Gauteng, South Africa asks

Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?

Sherri from Baltimore asks

Does Henna (a plant based hair dye) contain any aluminum in its substances?

Sonia asks

How could I decrease the boiling point of a substance without changing the pressure of the liquid?

Yossi Truzman from Ra`anana asks

In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...

jacqui from Stockleigh Pomeroy asks

Explain recessive gene disease and what happens to the DNA to cause parents to be carriers.

Roman asks

How do scientists detect nutrinos when they have no mass and no charge?

Leah W. from Duluth asks

What is the smallest living thing? What is the largest living thing?

Matt from Ottawa asks

Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...

C.L.Bridger asks

What chemical additives can be used to increase the octane rating of unleaded gasoline?

Gary Kolling asks

What term is applied to all processes and physical measurements carried out under conditions of...