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David Holt asks

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

Nijin from khd asks

I read in books that bees cannot identify the colour white. Then what will the bees see instead of...

Nameless from Internet asks

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

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

Why is sterilizing & using alcohol effective against microorganism?

Joe Joe from Scarbrough asks

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

Mike from the Internet asks

I have a question which is a bit strange but in all honesty i don't know and i was hoping you could...

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...

Jonathan from Brooklyn asks

I want to convert a conventional gas engine to run on hydrogen gas. How would I go about this?

Dan asks

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

GRACE JAJA from the Internet asks

How long does it take radio waves to reach saturn?

garrett from scarborough asks

Why is the common garter snake so common?

Yevgeniy from SI asks

Can you hear a bat flap it's wings if it is relatively close say 1-2 meters?

Kelly from Toronto asks

True/False. If the moon rises when the sun sets, is it a full moon?

Jeffrey Pope from Toronto asks

How fast does the earth move in its trajectory around the sun? (km-hr) What total distance does...

dave hack from brisbane asks

Nitrous oxide when used in motorsport is often classed as "forced induction" although is...

Tara Longfellow from Chilliwack asks

I was wondering what the breakdown products of ethanol in the body are .... water and what? What...

Richard Allan from Calgary asks

I am looking for information on the molecular level electromagnetic resonance frequency of various...

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?

JenJen186@aol.com from Orland Park asks

Is there a way to actually eliminate the cancer from every infected cell in the body to truly cure...

Asli Tamer asks

How do bacteria use rhodopsin to create energy?

Sandra lenzi from East Hanover, NJ asks

how much caffeine there is in black tea, green tea and in coffee?

chen from the Internet asks

How does plant take in sunlight?

Aditya from Noida, India asks

How does plant's inner cells respire?

Raymond asks

How did the universe begin?

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...

Michael Fattori from Toronto, Ontario asks

If our body is made up of cells that are always regenerating, and replacing older dying cells, how...

Richard Morley from Flesherton asks

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

Koshoua from Leola asks

What is the substance or chemical in nail polish that makes it dry?

JR from Houston asks

Does your gag reflex trigger the epiglottis to open or close?

eric from lynbrook, ny asks

What animal has the highest level of testosterone in their body?

NIKHIL BHANSALI from New Delhi asks

I have an e-DNA (environmental DNA) sample in a vial. How can I learn if the given e-DNA sample is...

Ashley R asks

I can see how water and sound waves move in a wave motion, but how do light waves keep their shape...

Rita from Lisle asks

My 4th grade son is doing a science project on eye color and we can't find any info about the...

kristy asks

Which plants would be good to use in an experiment testing different types of plant foods on...

Lola from the Internet asks

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

Sam from Mumbai, India asks

I have learned that our whole body is made of chemicals. Then our every action must be predefined...

Steve T from Kingston, ON asks

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

Jason Ting from Beijing asks

Can phytoplankton live with only nutrients not sunlight?

Wesley O. Smith from Yuma, TN USA asks

I have 10 gallons of new battery acid 31%-39% Sulphuric acid, SP gr. 1.26. I need concentrated...

Dan from Madison asks

In junior high school, our science teacher demonstrated the difference between the surface tension...