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Val Mullen asks

Is there really a tree in Tasmania called the Huon Pine that is 20,000 years old?

bbg from the Internet asks

Are there any Canadian scientists that have contributed to the field of bioremediation?

Ron Belmont asks

How are electron sublevels given their assigned letter?

k.h. from Alberta asks

My husband has dark brown hair, and I have white blonde hair. If Dark hair is supposed to be...

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...

Marin from Split, Croatia asks

What happens when electrons pass through a magnetic field at a velocity near lightspeed?

Sara asks

What happens to a compass when it is held exactly on magnetic north? Does it just spin?

S.Leeberman asks

How do I estimate the mass of an object when I know its volume and nothing more? For example, how...

Yamna from Dubai, United Arab Emirates asks

1.) Do the intesity of the sun's rays increase the current in a solar cell? 2.) Does increased...

Ed Kasica from Oldsmar, florida asks

Why does a magnetic field in the form of a bar magnet effect the movement of a planaria? Does it...

Vanessa asks

How does nicotine affect the growth rate of a plant? If you were to put a cigarette in the soil of...

Thomas from Middlesbrough, Australia asks

How many times can you split up an atom?

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?

Julie from London asks

Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do...

Angela from Portland asks

This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...

E.H. from AOL asks

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

Reggie Lykins from Cincinnati asks

I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...

Amie from West Harrison asks

How do you get rid of duck weed in a pond?

Juanita Higgins asks

How do I generate heat from a battery?

Ian Gordon from Exeter, Devon, UK asks

Since puberty I have always been tall and thin with very long legs. I was a fair player of rugby...

Ruben from Miami asks

I would like to know if there is any way to magnetize a 6x4x1/2 inch ceramic 8 non magnetized...

Charles Tramble asks

What can I use to block magnetic lines of force? I have been working on an rf transmitter project...

Kelvin from Markham asks

Why does the Original Coke sink into the water, when Diet Coke floats in the water?

Ashley from Langenburg, Saskatchewan asks

Does population density affect fish growth rates? I'm trying to determine if population density...

Cory from Victoria, Texas asks

Why are rail road pieces magnetized? Me and my friend noticed particles of steel and iron forming...

Jessica Muller from Hamilton, Canada asks

I have heard that some one discovered that the atom is actually made up of sound waves. Is there...

Francis from Ottawa asks

When a ball is rotated at the end of a string in a horizontal circle (parallel to the ground) what...

Jonathan Weiler asks

If atoms are so small, how can we split them?

Luke asks

A question about tri-coil atomic fusion/fision... If one used positive and negative ionized plasma,...

John D. Miller from Belmont, NH asks

I read that one can get a wider range of colors or shades if one uses the secondary colors:...

Teresa Golebiewski asks

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

Russell Westhaver from Vancouver asks

I've got a question about light. As I understand it, light is a particular form of energy--in order...

D Selman asks

Why do I see green and orange lines in a sodium ion when my flame is the color of yellow?

Ali from Pakistan asks

In microwave transmission sometimes we use power in positive e.g +13db and sometimes in negative...

Jayde from Surrey asks

What is the field of cryogenics? What kind of occupation is available in cryogenics?

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...

Felicia asks

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

Ian from London asks

How can I tell the difference between Zinc and Aluminium metal?

Ernesto C Ignacio from Malabon City, Philippines asks

I understand that in some countries it is prohibited to use industrial acetic acid to make table...

Arnold J. Wallmann asks

What causes albino-ism in people? Which chromosome is the albino gene on?