Giorgio from ITALY asks

My question is related to wine making: How does alcohol concentration (in the same wine) affect CO2...

trish brooks from Ottawa asks

We used to have a wooden stick on the outside of our house. It measured air pressure or humidity...

Daniel from Elk Park asks

I have a wierd question: can a 250 lbs 5 foot 7 woman stand and walk on a 170lbs 6foot 2 man...

Adrian from Vancouver asks

I heard someone explaining that whales and dolphins are not fish because they were in fact mammals....

Philip Steernberg asks

On cold nights Florida farmers spray oranges with water which quickly freezes into ice on the...

Jack Racklyeft from North Sydney asks

How does the temperature of a liquid effect its refractive index?

Patrick Tekeli from San Francisco asks

I was browsing the Cornell University Astronomy web site and I read in an answer to a question...

Justin H from Vancouver asks

If fresh water is pressurized to 1 MPa or greater, frozen solid at this pressure, then completely...

Jackson from Imphal asks

In my algebra, I learn that (-3 X -2) = +6 but (-3 X +2) = -6, why?

Dean Burlock from Melbourne, Australia asks

Do you think scientists will ever create a wormhole? And if they are able to create a wormhole how...

Eman from Edmonton asks

Is there any `accessible` natural or man made material that contracts when electricity is...

Mona from London asks

I was reading about class I MHC (major histocompatibility complex) molecules and in the book it was...

James from Victoria asks

I've watched a few videos about sound frequencies altering the geometric pattern of molecules. Some...

Gerry Nazareno from Philippines asks

Who is the scientist to be attributed for equation or formula used in calculating engine exhaust...

Dmitri from Toronto asks

How do we know that universe is 13.5b years old, if time is not constant? The idea is the closer...

Ankit from Aligarh, India asks

What is the reason for earth acting like a magnet? The interior is spherical so why is the earth...

Sanjeev Kumar from New Delhi asks

Why is it impossible to integrate photosynthetic machinery genes into animal cells....

Peter Schwarz from Toronto asks

I understand that even in a finite volume, there are an infinite number of points. Why does the...

Jason Liu from Fremont asks

I am a high school student and I have a question regarding piezoelectricity. I would like to know...

green hornet from the Internet asks

how many second the people before blink again

Jethin Prakash from Kochi, Kerala, India asks

THE BIG SPILL (An alternate proposal) Space, Time and matter expanding from a tiny spot as...

Richard Dinning from Mississauga asks

What would happen, given the loss of polar ice and it's deleterious affect on polar bears, if we...

Scott Mayers from Saskatoon asks

Assuming the speed of light, c, what would be the distance of a photon traveling in empty space be...

Henrik from the Internet asks

Some people like to stand on their head or hands so they can get a lot of blood in their heads. Is...

bob from coquitlam asks

Why did the poppies grow in Flanders fields?

Edward asks

When two open metal tubes on the roof of the car for the purpose of use as a roof rack, are...

Ryan from Qualicum Beach asks

Why don't some countries like Canada reprocess spent uranium into plutonium?

Joshi from Pune, India asks

During Biology study, an idea clicked in my head about AIDS. We say that HIV virus cannot be...

Hamza from Calgary asks

There is a place in Saudi Arabia near Medina known as Wadi Jinn or Wadi Baiza, so there the car run...

Judy from North York asks

I understand survival of the fittest, but why would evolution allow animals to live in water but...

Charlie from Astana, kazakhstan asks

How is it that the over-the-counter pregnancy strip test is so fast and specific versus the common...

Charlie from Astana, kazakhstan asks

How are prions able to infect someone's brain after they are eaten? Prions are proteins and large...

megan-india from pembroke dock asks

Does the area of a solar cell affect the voltage produced?

Mrs. Yoe's Grade Ones from Innerkip Ontario asks

Why do geese fly in a V?

Angel from Toronto asks

Why are biofuels becoming so big all over the world? And how would you explain to someone what...

max scott from Perris, California asks

When I go to buy my plain t-shirts, I always wonder if there is a particular color choice (dyes)...

Brent Secondiak from Medicine Hat asks

I am attempting to determine if the spark given off from a TASER, would be enough to light a candle...

kyler from the Internet asks

If I were to tie a rope or something like that to the moon and have it dangle far enough toward...

Kyler Tonkin from Kingston, Ontario asks

I heard of an experiment that it is impossible to suck a liquid up a straw more than 10 meters....