cashew,aluminium,tree

Living as long as 40 years, cashew trees can grow up to 50 feet tall. Surprisingly, though, one entire tree only produces around 10 pounds of edible cashews a year, which is why cashews are so costly.

»   The fiber of the stinging nettle was used to make the fine linen sheets upon which Mary, Queen of Scots, slept.

»   Living creatures create tiny weather systems called microclimates in their nests and burrows. For instance, bees fan their wings at the hive entrance during hot weather. This makes a cooling draft blow through the hive.

»   The first hurricane given a male name was "Bob," in July 1979.

»   Long before it was used as a "kiss encourager" during the Christmas season, mistletoe had long been considered to have magic powers by Celtic and Teutonic peoples. It was said to have the ability to heal wounds and increase fertility. Celts hung mistletoe in their homes in order to bring themselves good luck and ward off evil spirits.

»   The first known item made from aluminum was a rattle – made for Napoleon III in the 1850s. Napoleon also provided his most honored guests with knives and forks made of pure aluminum. At the time, the newly discovered metal was so rare, it was considered more valuable than gold.

»   Many parts of a tree can die without killing the whole tree. In fact, much of a normal, healthy tree is dead — the wood in the center, for example.

»   The flower of the Calla lily is 8 feet high and 12 feet wide. It is grown in Sumatra.