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Arnaud Bigeu asks

How does the static universe theory (Gamow, Hoyle...) explain the 3K cosmic background radiation....

Sean M. North from Oregon City asks

In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...

Fred Bucheit asks

How does mass shifting affect Earth's rotation? Could melting of polar icecaps cause a change in...

Helen from Toronto asks

How can you extract the bacteriocins (colicins) from E. Coli? I would like to test the...

Jen Collard from Brockville asks

Light cannot escape from a black hole, because of the black hole's mass. If this is true, then...

Roman asks

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

Nick Hiebert asks

Is there a substance known to science that reacts to electrical impulses by contracting or changing...

Leo Hong from London Ont. asks

1. If the earth's population is about 6.2 billion now and it will double lets say every 35 years,...

Marc Doucet from Bathurst, New Brunswick asks

Are the pores of the cell membrane composed of protein molecules or are they simply holes in the...

Duane from the Internet asks

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

Andy (Dionne) Setlow from Madison, Alabama, USA asks

I have long struggled to understand why the temperature of various wavelengths track so closely...

Crystal Rumble from Hilton Beach, Ontario canada asks

I have been diagnosed with multiple scleroisis recently and I also have severe psoriasis. I've...

Gillian from Haliburton asks

I'd like to know what happens to radio waves once they have been emitted. Do they live forever?...

Pat asks

If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...

Peter Griffin from Beaufort asks

How does the type of liquid effect the way it holds heat?

bbg from the Internet asks

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

Karen from Ottawa asks

How old do turtles have to be to have turtle eggs? And do 2 turtles have to have different sex to...

Jonathan Weiler asks

Would it be possible to clone dinosaurs?

Marc Baldwin from the Internet asks

Can someone tell me how scientists are able to get an idea of how many foxes are in an area simply...

Linda VonCino from the Internet asks

Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a...

jacqui from Stockleigh Pomeroy asks

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

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...

Vanessa asks

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

David Woodard from Lansing, MI asks

How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...

k.h. from Alberta asks

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

hart from the Internet asks

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

Juanita Higgins asks

How do I generate heat from a battery?

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...

Fester from Tacoma asks

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

Robert Cunningham from Dallas, Texas asks

If you shine a light through a glass of water, the light slows down. What makes it speed up again...

Tara from the Internet asks

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

Terry Hare from Oshawa asks

Why are most scallops white and some are yellowish brown to almost an orange color?

C. Davies from Knoxville asks

If a person has a bacterial infection and sneezes on a piece of paper, how long will the bacteria...

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...

Karie from Toronto asks

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

Atalinder S. Bindra asks

Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...

Ian from London asks

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

S.Leeberman asks

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

Arnold J. Wallmann asks

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

Nick Reed from Cherry Hill asks

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