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Harrison from the Internet asks

Why does decaying food cause gas? I have been trying to find resources but can't find any could you...

Abhinav from Delhi asks

Why do all planets revolve in elliptical orbits around the sun? I mean in nature there existis...

Jessia from Ontario asks

How high in the sky would Polaris the North Star be, as seen from the North Pole?

Cristina asks

How far is the Sun from Pluto? How long does it take for sunlight to travel to Pluto?

Aime Roger from Halifax asks

I am quite confused with temperature scales! i would like to know the link between the degree...

Matt from Pickering asks

How are genes located? For instance, Lap-Chee Tsui and his team of geneticists located the...

Richard Hart from Victoria, BC, Canada asks

My wife asked me, "What does the sun burn and why doesn't it burn out?" I told her about helium...

Darren Connell from the Internet asks

We have the ability to use sound frequency to cancel out unwanted sounds, and since light is a...

Ava Gabourel from New York asks

Who discovered High Blood Pressure and what year?

özgür o?uz from Yata?an/Mu?la asks

How can an ant hold up a weight which is 50 times more heavy than ant's own weight?

Rehan Ahmed from Rahim yar Khan, Pakistan asks

What is vacuum ? How is it created because if we remove the air then the instrument in which we...

Saurabh from New Delhi asks

Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....

Wayne Boutzale asks

What are giant ice meteorites? Would it be possible for them to hit the earth?

Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks

Why does Nitric Acid stain the human skin yellow?

Ernie Epp from Kenora, ON asks

Collision of galaxie clusters. In recent news reports that I've read it has been reported...

James from Hamilton asks

If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?

Jestin from India asks

Why rainbow is a bow?

Scott Livingston from Charlottetown, Prince Edward Island asks

Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...

Kim Monin from Nepean, Ontario asks

I am trying to make natural beeswax into an ivory colour. Some people say they use natural dyes. ...

Sharon Johnson from Tobermory asks

Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...

Daniel from Singapore asks

Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...

Michel asks

If Humans and Apes are related, why aren't we able to reproduce together?

Tsiadimos Nick from Athens, Greece asks

If we put a current-carrying conductor inside a magnetic field (i.e. between two permanent...

Roman Tanisis from Coquitlam, BC asks

Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...

Avishan from the Internet asks

Why is the strawberry in yogurt flavored strawberry sometimes brown or reddish brown? Is it a...

Base from Ontario asks

Why is vegetable oil viscous?

Vasu from London,ON asks

Is it possible for a singularity to form outside a black hole?

Neil O. from Oshawa asks

What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...

Courtney asks

How do mirrors work? What makes them reflect?

Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks

Why is sterilizing & using alcohol effective against microorganism?

Sherri from Baltimore asks

Does Henna (a plant based hair dye) contain any aluminum in its substances?

Olivia from Sydney asks

I was wondering about planet orbit paths and if they change. I read that a change in the Earth's...

Ashé from Taree, Australia asks

Why is there no magnetic field in the centre of a bar magnet?

The Tucker Family from Hamilton asks

How many people have ever lived on earth? We have found data giving the population at differen...

samantha from Sarnia asks

Is it true that only female bees can sting you? And if it is, why is that?

Dave from the Internet asks

Hi, I am looking for a procedure that I can use for a science investigation. We are testing water...

Bonita asks

I lost my sense of smell after a fall from a horse 5 years ago. The back of my head hit the...

Andrew from Friendly asks

Who was the first scientist to study light?

Asli Tamer asks

How do bacteria use rhodopsin to create energy?

Lola from the Internet asks

I am doing a science fair project about if temperature affects the digestion of protein or not. To...