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Alvina Chung from Sydney asks

The first four facts below suggest that the earth should be getting heavier and heavier - but it...

Dave from Sutton asks

Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...

Linda VonCino from the Internet asks

Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a...

hart from the Internet asks

I understand that alkenes are more reactive than alkanes. I recently read however, in a new high...

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...

Michel asks

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

KIm from Waldorf asks

What furnishs H30+ in water solution?

Chris from J-town asks

A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...

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...

Kiran Gupta from Singapore asks

Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...

Andrew from Friendly asks

Who was the first scientist to study light?

Duane from the Internet asks

If two magnets are in contact with each other or close proximity to each other either repulsing or...

Dr. X from Cornberry asks

I have made a theoretical discovery in my studies. It concerns vibrations of frame of reference in...

David Magill from Shippensburg asks

In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Adil asks

Has absolute zero (0 K) ever been reached a laboratory?

Meghan asks

Do you have any information about Canadian scientist Dr. W. A. Smirnoff? He works on the spruce...

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...

Furqan from Lahore asks

Why don't ordinary Silicon diodes emit light like LED's?

Shayne Paterson from Lincolnshire, UK asks

I am currently researching EMP for a essay at my college. My essay is looking at possible...

Leah W. from Duluth asks

What is the smallest living thing? What is the largest living thing?

Edward Lotus from Mississauga, Ontario. asks

Why is it that we always can draw nice electric field lines and magnetic field lines relative to...

Adam Bruneau from Atlanta, GA asks

I want to make sculptures out of old vinyl records by melting them down and pouring them into a...

Wilma de leon from Philippines asks

What is the reaction between a chitin--the polysaccharide intermediate between protein and...

Liz Morice asks

What makes the aluminum powder in an Etch-A-Sketch stick to the glass to make an image?

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?

Vanessa from Calgary asks

What is the history of solar ponds and what trends are expected for solar ponds in the future?

Vasu from London,ON asks

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

Sharon Johnson from Tobermory asks

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

Felicia asks

Is it true that if you're pegnant and you get sick, there is a chance your baby will get sick?

Jonathan Weiler asks

If atoms are so small, how can we split them?

John Jones asks

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

Amanda Gillis from Margaree asks

What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...

Andy (Dionne) Setlow from Madison, Alabama, USA asks

I have long struggled to understand why the temperature of various wavelengths track so closely...

Paul Hosking from Brisbane, Australia asks

We are having a debate at work that we hope you can settle. The father of one of my workmates has...

Olivia from Sydney asks

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

dina from Cairo, Egypt asks

I'm interested about light. I have two questions: What is the difference between scattering and...

Kelvin from Markham asks

Why does the Original Coke sink into the water, when Diet Coke floats in the water?

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...

Francis from Ottawa asks

When a ball is rotated at the end of a string in a horizontal circle (parallel to the ground) what...