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Abebe Ayele

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486. Mithila Maske 2
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488. Abebe Ayele 2
489. Rolf Salhus 2
490. Geraldo Rabelo 2
last 3 solved tasks
How much is 4x5?
If 1+4=5, 2+5=12 and 3+6=21 then 5+8=?

Otto Wallach

Died 26 Feb 1931 at age 83 (born 27 Mar 1847).German chemist awarded the 1910 Nobel Prize for Chemistry for identifying terpene compounds. His interest began began by analyzing fragrant essential oils - oils removed from plants by steam distillation, with industrial uses - and started research into determining their molecular structure. Wallach succeeded in determining the structure of several terpenes, including limonene, in 1894. He showed that terpenes were derived from isoprene, C5H8 - his isoprene rule (1887) - and therefore had the general formula (C5H8)n. Limonene is thus C10H16. Terpenes were of importance not only in the medicine and perfume industries, but also as a source of camphors. It was also later established that vitamins A and D are related to the terpenes.

The Bible Leaf

A little boy opened the big, old family Bible with fascination. He looked at the old pages as he turned them. The Bible had belonged to his grandmother. Then something fell out of the Bible. He picked it up and looked at it closely. It was an old leaf from a tree that had been pressed between pages. "Momma, look what I found," the boy called out. "What have you got there, dear?" his mother asked. With astonishment in the young boy's voice he answered, "I think it's Adam's suit.."...
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