Ethan Heil from Salem, VA asks

I was reading about the tensile strength of certain fabrics, and was wondering what kind of...

Anita.S asks

What is Birute Galdikas' latest book on the Orangutan Behaviour and her work?

tina from the Internet asks

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

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...

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...

Matt from Pickering asks

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

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...

James from Hamilton asks

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

julie from Soledad asks

What is the polar nature of water?

Aime Roger from Halifax asks

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

Pierce H. asks

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

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...

Daniel from Singapore asks

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

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

Why does Nitric Acid stain the human skin yellow?

Jestin from India asks

Why rainbow is a bow?

Avishan from the Internet asks

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

Shaun Carney from the Internet asks

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

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?

Lola from the Internet asks

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

samantha from Sarnia asks

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

Ava Gabourel from New York asks

Who discovered High Blood Pressure and what year?

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

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Why is sterilizing & using alcohol effective against microorganism?

Bonita asks

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

Sherri from Baltimore asks

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

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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...

Ahmad asks

What are neutrinos and positrons?

Sara asks

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

The Tucker Family from Hamilton asks

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

Dan asks

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

Jeremy from Mustang asks

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

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How do bacteria use rhodopsin to create energy?

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

Jennifer Easterly from Sydney, NS asks

What happens to a bullet fired straight up into the air? Does gravity eventually slow it down so it...

Shagufta asks

What are cosmic rays?

Joe Joe from Scarbrough asks

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Dixie from Los Angeles asks

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

Denise Atkins asks

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