Most popular

Tara from the Internet asks

Is it better to keep planaria in pond water or tap water if my experiment deals with feeding them...

Marin from Split, Croatia asks

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

Karie from Toronto asks

Why do kids with blonde hair have dark brown hair when they're older? Is it the same process as...

D Selman asks

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

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...

Nick Reed from Cherry Hill asks

I have a question regarding starfish, or seastars, whichever you would like. Is there a species of...

James from Montreal asks

What is a wormhole? How does it work? How is a wormhole created? Is it possible to survive going...

dina from Cairo, Egypt asks

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

S.Leeberman asks

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

Dave from Sutton asks

Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...

E.H. from AOL asks

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

David Howard from UK asks

Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...

Furqan from Lahore asks

Why don't ordinary Silicon diodes emit light like LED's?

Luke asks

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

Val Mullen asks

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

Thomas from Middlesbrough, Australia asks

How many times can you split up an atom?

Charles Tramble asks

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

Dan Hurtado from Tallahassee asks

Can you explain the process by which hot materials emit light? Particularly, why is infrared light...

Sara asks

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

Harish from Scarborough, Ontario asks

I want to know if we inject cobra's venom into a rattlesnake and rattlesnake venom...

Reggie Lykins from Cincinnati asks

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

Sarah Spratt asks

What is the most critical environmental problem in Canada today?

Adam Bruneau from Atlanta, GA asks

I want to make sculptures out of old vinyl records by melting them down and pouring them into a...

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...

vanessa demelo from paris asks

Why does insulin resistance induce weight gain? I don't understand because insulin is suposed to...

TJ from Thunder Bay asks

Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...

Edward Lotus from Mississauga, Ontario. asks

Why is it that we always can draw nice electric field lines and magnetic field lines relative to...

Gina from Boston, Massachusetts asks

I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...

Alvina Chung from Sydney asks

The first four facts below suggest that the earth should be getting heavier and heavier - but it...

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...

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...

Clare Reading from Mesa asks

What is the pH of Diet Pepsi? (or cola,generally) and... Does smoking affect the body's pH? If so,...

Michelle from San Jose asks

What are vinyl erasers made of?

Cory from Victoria, Texas asks

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

Kelvin from Markham asks

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

RR from Toronto asks

How do electric kettles work?

Teresa Golebiewski asks

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

Julie from London asks

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

Marke Jones from Aurora, Ontario asks

Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...

Ruben from Miami asks

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