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Pierre Charbonneau, Eng. from Jonquière, Quebec, Canada asks

Is there actually a strobe light on the International Space Station? I saw in the sky a sequence of...

Paul from Romania asks

What i don't understand is why the intensity of the electric field is 0 inside a charged (empty on...

Grade One, Chesterville Public School from Chesterville, Ontario asks

What do you feed baby praying mantises? We found a mother praying mantis who laid an egg sack on a...

Stanley Jeffs from Cortona asks

I have been reading Feynman and what he says seems to make sense to me, in particular:photons are...

David Dexter from Mill Valley, CA, USA asks

This came up during a homeschool astronomy lesson: Why does the back of the Moon not have large...

Gabriel from Winnipeg, MB asks

What is the distance from the sun for each of the elements in the periodic table where they would...

Benjamin Raja from Singapore asks

At what speed does the world's slowest living thing travel? And what is the world's slowest living...

Yevgeniy Perev from Staten Island asks

When our galaxy will absorb the 2 Magellanic Clouds, that will produce a starburst. For how long...

Mike from Brussels asks

I have been doing an experiment in school and I don't understand why the following happens. When we...

Mohsen Omrani from Tehran, Iran asks

I am interested in Computational NeuroScience, particularly in Colour Vision, Land's Effect, and...

Anthony from Windsor, Ontario asks

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

Kevin Pagn from Vancouver asks

Is a nerve impulse considered an electric current since it induces a magnetic field?

David Keirsey asks

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

Harry Pritchard asks

How can I find out whether it takes more effort (work by pump) to increase the air pressure in a...

Eric Cashmore asks

What is the name of the most recent planet discovered, and where is it?

Jordan Duncan from Prince George, BC Canada asks

I need to know what happens to wood (softwoods, hardwoods and kiln dried woods) when they are...

Jen Collard from Brockville asks

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

Jesse from Ottawa, Ontario asks

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

Akin from Winnipeg asks

Why does HIV form resistance to ARV so quickly? HIV reproduces itself millions and millions of...

Fred Bucheit asks

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

Erin Harris asks

How would Giant Pandas being killed off affect my life?

James Hope from Gloucester asks

I recently read a book on the big bang, and it said that protons and neutrons are made up of 3...

Brad McCarthy from Bridgewater NS asks

In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be...

sabiha from lahore, pakistan asks

There is a controversy among my collegues that during agarose gel electrophoresis the band that...

Nedim from Atlanta asks

For a long time I have noticed that during the day or any kind of brighter light my eyes are bright...

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...

Jessica Reynolds asks

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

Pat asks

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

Stevi asks

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

Dane Haas from Flesherton asks

What are the most recent solar storms and will they effect the Earth's atmosphere?

Mridu from Toronto asks

Specific tissues are meant to perform specific functions. Is it possible to transfer different...

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...

Kelly asks

What is the structure of chicken bone?

sarah gubbs from quebec asks

If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute...

A. D. asks

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

Giovanni Cuevas from Bronx asks

How much does a person's head or skull grow every year? If I'm 16, how much would it grow until it...

Harish from Scarborough, Ontario asks

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

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...

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...

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...