from Houston B.C. Canada
Can someone tell me what Canadian frogs and toads are vocal? We have several types here, but they...
Why do I see green and orange lines in a sodium ion when my flame is the color of yellow?
How could I decrease the boiling point of a substance without changing the pressure of the liquid?
from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
from New Delhi
Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....
A F Jenks
from Nelson, NZ
When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...
from the Internet
We have the ability to use sound frequency to cancel out unwanted sounds, and since light is a...
If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?
Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...
Why do proteins form lather on making their solutions?
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
How do electric kettles work?
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
What is the polar nature of water?
from New York
Who discovered High Blood Pressure and what year?
from Kamloops, BC
What is the Vir C gene/protein responsible for?
from Binmaley, Philippines
Why do (nearly) all birds move in a jerking motion as compared with other animals that move...
from Santa Clarita
Is a seed a living thing? If so, how do you prove it? Is it living before you add water?
In microwave transmission sometimes we use power in positive e.g +13db and sometimes in negative...
A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...
I was watching a short documentary on how the Earth first came about. The part that was puzzling me...
from the Internet
During cellular respiration, why can't NADH pass its electrons to NAD+ across the inner membrane of...
I would like to know if there is any way to magnetize a 6x4x1/2 inch ceramic 8 non magnetized...
from Catonsville MD
Why does my coffee flow more freely from a to-go cup when there are two holes in the lid instead of...
from Mississauga, ON
I have a wierd thinking question regarding electricity. When we have a positive charge or a...
My neice is being tested for an unknown cause to her developemental delay. She has recently been...
What is "route dependent toxicity"?
What is happening when someone plays a song on wine glasses? They are filled with different...
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
I'm writing a science-fiction novel and need information about black holes, gravitation and...
I was wondering about planet orbit paths and if they change. I read that a change in the Earth's...
I am quite confused with temperature scales! i would like to know the link between the degree...
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
Is it possible make the aluminium transparent ?
What are the names and locations in the universe of known black holes?
At what age does your heart stop growing? I have just watched a program and a young girl was given...
I heard that all cells only come from existing cells. If this is true, how did the first cells...
What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...
from the Internet
Hi, I am looking for a procedure that I can use for a science investigation. We are testing water...
from Sydney, Australia
I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...
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