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Cristina asks

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

Tony Kirk asks

Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...

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...

Sharon Johnson from Tobermory asks

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

James from Hamilton asks

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

Kim Monin from Nepean, Ontario asks

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

Danielle Panchuk from Calgary asks

Why after drinking massive amounts of alcohol, which is a liquid, do you wake up dehydrated the...

Shagufta asks

What are cosmic rays?

Betsy Kirk asks

What is happening when someone plays a song on wine glasses? They are filled with different...

Matt from Pickering asks

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

Base from Ontario asks

Why is vegetable oil viscous?

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Wayne Boutzale asks

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

Asli Tamer asks

How do bacteria use rhodopsin to create energy?

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

Why is sterilizing & using alcohol effective against microorganism?

Tom Henson from Bettendorf, Iowa asks

I am doing a science project on how light affects plant growth. If you could answer my 10...

Gary Kolling asks

What term is applied to all processes and physical measurements carried out under conditions of...

John Douglass asks

Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...

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...

Saurabh from New Delhi asks

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

Edward from Mississauga, ON asks

I have a wierd thinking question regarding electricity. When we have a positive charge or a...

The Tucker Family from Hamilton asks

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

Ric Martin from Houston B.C. Canada asks

Can someone tell me what Canadian frogs and toads are vocal? We have several types here, but they...

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?

Darren Connell from the Internet asks

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

Denise Atkins asks

What causes asteroids to burn up once they enter earth's atmosphere?

sabiha yamin from lahore, pakistan asks

I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...

missy cunningham from portsmouth asks

Every time we go to our local grocery store and get a buggy that does not have a chain hanging from...

Cynthia Everhart from Leesburg asks

My neice is being tested for an unknown cause to her developemental delay. She has recently been...

Bonita asks

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

Kiana Stewart from Blacksburg asks

If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?

Michel asks

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

samantha from Sarnia asks

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

Abhinav from Delhi asks

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

Amelia Singh from scarborough asks

How are rocks made? What are the different kinds of rocks?

Tsiadimos Nick from Athens, Greece asks

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

Mauro Mavrinac from Ottawa asks

Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...

deepak singhal from Bangalore (India) asks

Before getting married should we consider blood groups of both individuals? Is there any...

Dave from the Internet asks

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

John Wood from Binmaley, Philippines asks

Why do (nearly) all birds move in a jerking motion as compared with other animals that move...