Most popular

Yevgeniy Perev from Staten Island asks

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

Nora from the Internet asks

When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...

Kevin Pagn from Vancouver asks

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

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...

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...

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 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...

Akin from Winnipeg asks

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

sarah gubbs from quebec asks

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

Gabriel from Winnipeg, MB asks

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

Paul from Romania asks

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

Steven Hoaglund asks

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

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...

Erin Harris asks

How would Giant Pandas being killed off affect my life?

Ed from Port Orchard, Washington, USA asks

Do magnets become less massive over time? It requires energy to hold a magnet on the refigerator...

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...

nijin k from Khd asks

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

Mridu from Toronto asks

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

Brad McCarthy from Bridgewater NS asks

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

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...

sabiha from lahore, pakistan asks

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

Kelly asks

What is the structure of chicken bone?

Stevi asks

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

A. D. asks

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

Jesse from Ottawa, Ontario asks

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

Anthony from Windsor, Ontario asks

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

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...

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...

Shakira from Mississauga asks

Why is it that alcohols do not follow a trend for their melting points, like their boiling points...

Dane Haas from Flesherton asks

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

Jessica Reynolds asks

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

Anonymous from Ajax, Ontario asks

If mass can be converted to energy by using E=mc2, how can energy be converted to mass?

Eric Cashmore asks

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

Arnaud Bigeu asks

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

Bertrand Xiao asks

Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?

Ron Belmont asks

How are electron sublevels given their assigned letter?

Fred Bucheit asks

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

Jen Collard from Brockville asks

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