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Callie Davies from Phoenix, Az asks

We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had...

Christina from Orland Park asks

How do chameleons reproduce body parts?

Pat asks

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

Roman asks

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

Amie from West Harrison asks

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

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...

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...

Nick Hiebert asks

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

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

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

Peter Griffin from Beaufort asks

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

Duane from the Internet asks

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

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...

Helen from Toronto asks

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

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,...

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...

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...

bbg from the Internet asks

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

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.

k.h. from Alberta asks

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

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...

Jonathan Weiler asks

Would it be possible to clone dinosaurs?

David Woodard from Lansing, MI asks

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

hart from the Internet asks

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

Terry Hare from Oshawa asks

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

Karie from Toronto asks

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

Tara from the Internet asks

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

Fester from Tacoma asks

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

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...

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...

Juanita Higgins asks

How do I generate heat from a battery?

Atalinder S. Bindra asks

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

C. Davies from Knoxville asks

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

S.Leeberman asks

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

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...

Nick Reed from Cherry Hill asks

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

D Selman asks

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

James from Montreal asks

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