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?
Rudolf Olivier from Gauteng, South Africa asks
Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?
Sharon Johnson from Tobermory asks
Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...
Holly asks
What is the difference between a dolphin and a porpoise?
Andrew from Friendly asks
Who was the first scientist to study light?
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...
The Tucker Family from Hamilton asks
How many people have ever lived on earth? We have found data giving the population at differen...
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...
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?
Kim Monin from Nepean, Ontario asks
I am trying to make natural beeswax into an ivory colour. Some people say they use natural dyes. ...
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...
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...
Matt from Pickering asks
How are genes located? For instance, Lap-Chee Tsui and his team of geneticists located the...
James from Hamilton asks
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
Kiana Stewart from Blacksburg asks
If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?
Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks
Why is sterilizing & using alcohol effective against microorganism?
John Jones asks
Why has our departmental tarantula, who lives in my office, retreated into a cardboard tube and...
Denise Atkins asks
What causes asteroids to burn up once they enter earth's atmosphere?
Karen from Ottawa, Canada asks
Why do your fingernails grow a lot faster than your toenails?
Tom Henson from Bettendorf, Iowa asks
I am doing a science project on how light affects plant growth. If you could answer my 10...
samantha from Sarnia asks
Is it true that only female bees can sting you? And if it is, why is that?
Mauro Mavrinac from Ottawa asks
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
Edward from Mississauga, ON asks
I have a wierd thinking question regarding electricity. When we have a positive charge or a...
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?
Asli Tamer asks
How do bacteria use rhodopsin to create energy?
Shagufta asks
What are cosmic rays?
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?
Tsiadimos Nick from Athens, Greece asks
If we put a current-carrying conductor inside a magnetic field (i.e. between two permanent...
Wayne Boutzale asks
What are giant ice meteorites? Would it be possible for them to hit the earth?
Sue from Mississauga,On. Canada asks
What is the chemical composition of soya margarine?
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...
Avishan from the Internet asks
Why is the strawberry in yogurt flavored strawberry sometimes brown or reddish brown? Is it a...
Saurabh from New Delhi asks
Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....
John Douglass asks
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
Abhinav from Delhi asks
Why do all planets revolve in elliptical orbits around the sun? I mean in nature there existis...
Courtney asks
How do mirrors work? What makes them reflect?
Amelia Singh from scarborough asks
How are rocks made? What are the different kinds of rocks?
Most often, your question can be answered by going to the following areas
If you have a different question, please search our archives
If your question has not already been answered, you may Ask-a-Scientist.
Engineering
Mathematics
Physics
Chemistry
Earth
Biology
Medicine
Other