Nameless from Internet asks
When a baby is formed it starts out as one cell then splits and reproduces and forms perhaps...
James from Hamilton asks
How do we explain the difference between cells that can repair damaged tissue, such as skin cells,...
Rick Anderson asks
Is the air we exhale pure carbon dioxide? If not, then what is it?
David Cheverie asks
How do you know what size lobsters should be released instead of taken, in order to ensure the...
harish from scarborough asks
What is the difference between fats and cholestrol?
Loubelle I. Depita from Koronadal City, South Cotabato,Philippines asks
Why does nutrasweet or aspartame loses its effectiveness in cooking or in processes requiring...
Cathy Schroeder asks
Why do batteries behave differently when kept at different temperatures? In my science project a...
John Collins from West Vancouver asks
(Re: E=Mc^2) Why does E/M=c^2 rather than simply c^1 (which is an altogether respectably large...
Zambi Donburi from Brisbane, Queensland, Australia asks
How did we (as a race) evolve eyebrows and eyelashes. The way I understand it is that to evolve...
Xinyi Chong from Beijing asks
Do shells have nutrients in them? If so, what actually uses those nutrients?
Krisy Marsh asks
How would one maintain a bacterial culture without having to transfer cultures on a regular basis?
Ondraya Espenshade from York asks
Is either Klebsiella pneumoniae or Serratia marcescens documented to be able to extract naked DNA...
Stephen Ross from Hong Kong asks
1) Which of the following two options is more widely accepted by the scientific community? a)...
Darrin asks
If light is made of photons, and photons have mass, and many photons of light are hitting the earth...
Sahm Atman from Berkeley, CA asks
I understand why magnetism is a relativistic effect, "caused" by Lorenz contraction effectively...
Karl-Alexander Berg Brisebois from Dunham asks
Conservation of momentum can explain the exchange of a virtual photon between two electrons and the...
Sahm Atman from Berkeley asks
Supposedly in classical electromagnetism an accelerating charge radiates. If so, why? If so, then...
Corinne Keffer from Halifax, NS asks
I have a liquid crystal display screen computer monitor. I am looking for unbiased information on...
Samantha from London asks
At which age do the nasal bones and the mandible complete ossification?
Unknown asks
Are there living beings which do not die?
petra from chamblee asks
How long does it take styrofoam to decompose? Are there chemicals that help to cause the...
Atul Mulay asks
What chemical reaction takes place when you use henna to tint skin? Is it possible to extract the...
Serge Bellemare asks
Do all planets and stars rotate on themselves, and do we know why?
H.D. Lail asks
What is the difference between animal hibernation and a human coma? These states appear similar,...
Cynthia from Chilliwack, Canada asks
IF my blood type is A negative what are my parents' blood types? What does it mean to have negative...
Lee Ming Fei asks
Why does chalk, a cylinder, always break into three pieces when it falls, and not into two or four...
Rafael Sumalinog from Edmonton asks
What is immunofluorescence analysis, what basic materials are used, and how long does it take to...
Michal Jaworski from Calgary asks
A black hole is a central point the size of a pinhead where a huge amount of mass is concentrated....
H Beken from Dayton, Ohio asks
I have been trying to find formulas for simple auto windshield washer fluid. Can't find anything....
Brian from Denver, CO asks
When eating spicy foods, the tongue and lips can get a burning sensation. Why don't the insides of...
Kjell from Edmonton asks
Does light exert force?
B.Krystol from Jasper asks
Why is Isobutane ( C4H8) a gas at 25 C and Dodecahedrane ( C20H20) a solid at 25 C?
Ram Ajore from Delhi, INDIA asks
What are the ways in molecular biology to show confirmation of hybridization on a solid surface for...
Ryan from Maryland asks
I'm doing a science experiment with magnets and was wondering, do magnets lose their strength over...
Sylvain Koenig from the University of Lausanne (Switzerland) asks
Why would one person when he returns from travel at the speed of light have aged differently than...
YIanni Mitropoulos from Melbourne asks
If a sound is played to a person over a period of time, is there a way to work out (or to estimate)...
Eric Johnson asks
Is it harmful to inhale sulfur which has been heated?
Peter Gensch from Auckland, New Zealand asks
Is there an effective and affordable way to kill weeds on an organic basis? (i.e. vinegar?)
BALKRISHAN ARORA from Pune, India asks
1. I would like to know when was Hubble's constant discovered / invented? 2. How many times it...
Trevin H. from Rocklin asks
I would like to know the chemical compostion of the venom in a yellow jacket wasp sting, the dosage...
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