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Christina from Orland Park asks

How do chameleons reproduce body parts?

Jen Collard from Brockville asks

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

Jonathan Weiler asks

Would it be possible to clone dinosaurs?

Jessica Reynolds asks

Since there are no molecules within the vacuum of space to allow heat transfer, how can the air...

jacqui from Stockleigh Pomeroy asks

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

Jesse from Ottawa, Ontario asks

Why do ceramic magnets lose their strength in extremely cold temperatures like dry ice?

Nick Hiebert asks

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

Arnold J. Wallmann asks

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

Anthony from Windsor, Ontario asks

Are there any species that have evolved, but still have their ancestors co existing with them on...

Roman asks

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

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...

Serge Bellemare from Boston, MA, U.S.A. asks

Where in the universe are we? We seem to know the dimensions of the Universe; so does it have the...

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...

Ashley from Langenburg, Saskatchewan asks

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

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...

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

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

Gillian from Haliburton asks

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

Crystal Rumble from Hilton Beach, Ontario canada asks

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

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...

Steven Hoaglund asks

Galileo said, "in a vacuum, all objects fall at the same speed." Well, I have an idea that might...

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...

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...

Peter Griffin from Beaufort asks

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

David Woodard from Lansing, MI asks

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

Stevi asks

How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...

C. Davies from Knoxville asks

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

Duane from the Internet asks

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

Karie from Toronto asks

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

Pat asks

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

Juanita Higgins asks

How do I generate heat from a battery?

E.H. from AOL asks

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

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...

Sarah Spratt asks

What is the most critical environmental problem in Canada today?

Phil asks

What are the chemical properties of phosphorus?

Ian from London asks

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

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...

k.h. from Alberta asks

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

Fester from Tacoma asks

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

S.Leeberman asks

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

Nick Reed from Cherry Hill asks

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