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Asli Tamer asks

How do bacteria use rhodopsin to create energy?

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Lola from the Internet asks

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

Shagufta asks

What are cosmic rays?

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...

Shaun Carney from the Internet asks

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

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...

Dixie from Los Angeles asks

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

Jim from Yorkton asks

Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?

Satya from Scarborough, Canada asks

Which part of the body has highest ph value?

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?

John Douglass asks

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

Cynthia Everhart from Leesburg asks

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

Jeremy from Mustang asks

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

garrett from scarborough asks

Why is the common garter snake so common?

from asks

I would like to know the basic principles of work of a solid state gyroscope, such as the ones used...

Anton St-Jacques from Kingston asks

I heard that all cells only come from existing cells. If this is true, how did the first cells...

Eddie Curtis from Portland asks

What differences are there in the three different types of lemmings?

Alexis Rolling from Nampa, Alberta,Canada asks

Why was Mars formed?

Nameless from Internet asks

If we were produced from ONE cell with ONE type of DNA how could it have reproduced into trillions...

TINA from the Internet asks

How much chorline is added to drinking water? Why?

Steve T from Kingston, ON asks

Light is refracted because its speed decreases when it enters a denser medium. Why does it speed...

Gary Kolling asks

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

Justin Murphy from Coquitlam asks

How does what we smell affect what we taste?

David Holt asks

How do farmers produce a product like seedless mandarins if they don't have any seeds to plant?

Steven Kelliher from Abington/ MA asks

I know this must get asked a lot, but I was wondering, and doing research on the topic and am...

Zulfikar Yassim asks

A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...

Christina from Kamloops, BC asks

What is the Vir C gene/protein responsible for?

John Wood from Binmaley, Philippines asks

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

Andrea from Sydney, Australia asks

I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...

Christina from Orland Park asks

Why are most people right handed instead of left?

Becca Thompson asks

What are the names and locations in the universe of known black holes?

Joe Joe from Scarbrough asks

What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...

Aditya from Noida, India asks

How does plant's inner cells respire?

Richard Morley from Flesherton asks

Do you have a "Sea-Monkey" life cycle?

Colin Genade asks

I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...

GRACE JAJA from the Internet asks

How long does it take radio waves to reach saturn?

Charles from Vancouver, BC asks

The earth receives energy in the form of radiation from the sun. Some is re-emitted into space and...