dustcloud

I know the mass of an electron has been measured, but has the mass of a photon been measured?

This animal was a popular choice in the late 70's and early 80's for control of aquatic vegetation

I seem to remember from my college days that there was a spiny headed worm that was transfered to humans by eating poorly cooked fish. I teach high school and have tried to council my students that eating any meat that is not cooked well is dangerous.

Which hemisphere experiences summer at that time?

I looked on U tube and that was not much help.

I couldn't find them on the front of the engine so I took the plastic shrouds to expose the timing belt at the front of the engine. I still cant find them.

Other than the alien thing.

I know that magnetic fields can alter the path of plasma particles, I was just wondering if the poles can be used to select ions. (Will the north pole select positively or negatively charged particles exclusively)? Does this occur in reference to the aurora? Do particles in the solar plasma begin separating when they become trapped in the earth's magnetic field?

During the Viet Nam war, who was responsible for the decision to take Pork chop Hill and what was the motivation. Also, why was it abandoned and what were the reasons for that decision.

I understand that it is considered "just right" for transmitting sound to the box, but what I want to know is what characteristics does this particular species have for doing that job and what kind of woods would make a good "second choices"?

The oil light on my 91 Dakota come on AFTER the engine has warmed up and idles at traffic lights. When I first start it and drive it, the oil light stays off until the engine is warm. When the light comes on, I can make it go off by reving the engine a little.

Is it neccesary to use a mastic or sill a staple gun suffice?

I am talking about the story in Genesis in which Joseph organized the granaries during the 7 years of plenty to cope with the 7 years of famine. Were there any other civilizations experiencing hardship during that time?

It is about 6-8 inches long and I thought she was ready to spawn a few months ago. (the other fish and her were chasing as well as her abdomen was enlarged) He abdomen just kept getting larger and now it is about the size of a base ball. One side is noticeably larger. Her appetite is good, but it is starting to affect her swimming. PS..........I paid a quarter for this fish 3 years ago, I am not going to the vet with her.

I have a tree over my goldfish pond and I have been thinking about putting up a bat house, but was wondering how high off the ground it should be.

I know that large amounts of water have to undergo electrolysis in order to obtain heavy water, but how does the the extra mass in the hydrogen's nucleus affect how the water molecule is broken down?

After a chemical reaction takes place, how is the first element of the product chosen? For example if methane reacts with chlorine gas to produce hydrogen chloride and carbon tetra chloride, how do you know that is not tetra chlorine carbide and chlorine hydride?

My father worked construction in the 60's and told me that many of the new houses then were using aluminum for the electrical wiring and then contractors quit using it. I would like to know why it fell in disfavor.

Chimpanzees and humans share 99 percent of their DNA. Chimpanzees have 24 pairs of chromosome and Humans have 23. Isn't more likely that a chromosome will break than join?