John Jones asks

Why has our departmental tarantula, who lives in my office, retreated into a cardboard tube and...

tina from the Internet asks

Will pea seeds germinate slower in a liquid substace other than water? why? I am conducting an...

kumar sah from Davis Ca. asks

I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...

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...

Cristina asks

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

julie from Soledad asks

What is the polar nature of water?

Pierce H. asks

Does mercury in its gas form act the same way as air - I mean if heated, does it rise?

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...

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...

James from Hamilton asks

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

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

Why does Nitric Acid stain the human skin yellow?

Ava Gabourel from New York asks

Who discovered High Blood Pressure and what year?

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...

Jestin from India asks

Why rainbow is a bow?

Daniel from Singapore asks

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

Avishan from the Internet asks

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

Courtney asks

How do mirrors work? What makes them reflect?

Michel asks

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

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

Why is sterilizing & using alcohol effective against microorganism?

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...

Sherri from Baltimore asks

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

samantha from Sarnia asks

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

Andrew from Friendly asks

Who was the first scientist to study light?

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...

The Tucker Family from Hamilton asks

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

Shaun Carney from the Internet asks

What keeps electrons from eventually falling into the nucleus of an atom if they are attracted by...

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...

Ahmad asks

What are neutrinos and positrons?

Shagufta asks

What are cosmic rays?

Sara asks

If the first dimension is length, the second is width, and the third is depth/height, what's the...

Denise Atkins asks

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

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Amelia Singh from scarborough asks

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

Gary John Walsh asks

What is a blue moon? When will the next one be? Are there ever two in the same year?

Dan asks

How many galaxies do we know about and what are their names? When will the first human go to Mars?

Dixie from Los Angeles asks

What is a simple way to explain miscible and immiscible liquids?

Jeremy from Mustang asks

I am doing a science fair project and the question is this....Can people remember things better if...