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Victoria Ogino

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MATH PUZZLE: Can you replace the question mark with a number?
If 1+4=5, 2+5=12 and 3+6=21 then 5+8=?
Look at the series (0, 3, 8, 15, 24, 35, 48, ?), determine the pattern, and find the value of the next number!

Heinrich Geissler

Born 26 May 1815; died 24 Jan 1879 at age 63.German glassblower for whom the Geissler (mercury) vacuum pump and the Geissler tube are named. With the unprecedented (1/100 mm of mercury) low vacuum he produced in sealed glass tubes, he made available to early physicists a valuable tool to study the effect of electricity on the remaining traces of gases therein. These produced more detailed studies of the structure of matter.[DSB and EB give birth year as 1815, but Chambers Bio. Dict. gives 1814.]

A wife was having trouble with...

A wife was having trouble with the idea of turning 30 and was oversensitive to any signs of advancing age. When she found a prominent gray hair in her bangs, she pointed to her forehead and asked her husband, "Oh no, have you seen this?"
"What?" he asked, "the wrinkles?"
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