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Kara Dorsey

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MATH PUZZLE: Can you replace the question mark with a number?
I am a word of three letters. I am spelt the same backward and forward; turn me upside down, I will become your mother. What am I?
If you are in a race, what place are you in if you take over the person who is in second place?

Oswald Avery

Born 21 Oct 1877; died 20 Feb 1955 at age 77. Oswald Theodore Avery was a Canadian-American biochemist and immunologist whose research on pneumococcus bacteria made him one of the founders of immunochemistry. His research laid the groundwork for modern genetics and molecular biology. Avery spent most of his research life at Rockefeller Institute where he made important contributions to the understanding of the pneumococcus organism, a particularly virulent bacterium that caused lobar pneumonia. Prior to Avery's work, genetic material was assumed to be protein. At age 67, Avery made his most important discovery when he proved conclusively that DNA from the nucleus of the cell is the genetic material, in a seminal 1944 paper co-authored by Colin MacLeod and Maclyn McCarty.

We noticed that all the waiter...

We noticed that all the waiters in this New York restaurant carried two spoons in their vest pocket. Naturally, we were curious. We asked a waiter why.
'Sir, as a result of an efficiency study by the management, it was determined that the most frequently dropped silverware item was a spoon. Therefore, all the waiters carry two spoons so that the item can be instantly replaced.' As he was explaining that we noticed a string hanging out of the fly of his pants. So, we asked about that.
'Sir, that's another efficiency study result. When we have to go to the bathroom, we use the string to pull ourselves out and aim. Therefore, we do not have to stop to wash our hands.' We replied, 'I understand how you can get yourself out and aim, but how do you get yourself back in.' 'Well,' replied the waiter, 'I don't know about the other guys, but I use the two spoons!'
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