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Jessica Reynolds asks

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

Phil asks

What are the chemical properties of phosphorus?

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...

Jen Collard from Brockville asks

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

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...

Arnaud Bigeu asks

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

A. D. asks

I am interested in the age-old debate on whether a person gets wetter by walking in the rain or by...

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...

Nick Hiebert asks

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

jacqui from Stockleigh Pomeroy asks

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

Ian from London asks

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

Sarah Spratt asks

What is the most critical environmental problem in Canada today?

Jesse from Ottawa, Ontario asks

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

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...

nijin k from Khd asks

What is the heat wanted to melt the hardest substance in the world?

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...

Pat asks

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

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...

Luke asks

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

Nick Reed from Cherry Hill asks

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

Roman asks

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

Steven Hoaglund asks

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

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...

Harish from Scarborough, Ontario asks

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

vanessa demelo from paris asks

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

Peter Griffin from Beaufort asks

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

Gillian from Haliburton asks

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

David Keirsey asks

What are the quantum numbers that are involved in the distinction between matter and antimatter? I...

Stevi asks

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

Anita.S asks

What is Birute Galdikas' latest book on the Orangutan Behaviour and her work?

Juanita Higgins asks

How do I generate heat from a battery?

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

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

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...

David Woodard from Lansing, MI asks

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

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...

C. Davies from Knoxville asks

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

Elise asks

I have done lots of research on auroras and I understand almost every thing about them. The basic...

k.h. from Alberta asks

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

Dave from Sutton asks

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