Over 10,000 birds a year die from smashing into windows We lose half a litre of water a day through breathing. This is the water vapour we see when we breathe onto glass. The longest word in the English language is 1909 letters long and it refers to a distinct part of DNA. 10% of human dry weight comes from bacteria The name Wendy was made up for the book 'Peter Pan'. It came from the author's friends, whom he called his "fwendy" (friend) A whip makes a cracking sound because its tip moves faster than the speed of sound. Hot water weighs less than cold water for a given volume. If hot water is suddenly poured into a glass that glass is more apt to break if it is thick than if it is thin. This is why test tubes are made of thin glass. The combination "ough" can be pronounced in 9!! different ways; Read this: "A rough-coated, dough-faced, thoughtful ploughman strode through the streets of Scarborough; after falling into a slough, he coughed and hiccoughed." Windmills always turn counter-clockwise except in one country. Water based mammals like dolphins and whales swish their tails up and down. Only fish move them sideways. Blue and fin whales can create the loudest sound by animals ever recorded; sounds that have more energy than jet plane noise. It has been calculated that a single breath from a mature blue whale can inflate up to 2000 balloons. Humpback whales are the only ones that use bubbles to help capture their prey. The bubbles trap fish in a spot for feeding whales. Fin whales are the second largest animal ever to live on earth. They have been measured to over 80 feet long in Antarctic waters. The blue whale has a heart the size of a small car and its blood vessal is so broad, that a person could swim through it. No one knows why, but 90 percent of women who walk into a department store immediately turn to the right.... The words racecar, kayak, level and Navy Van are the same whether they are read left to right or right to left, and these are called palindromes. The longest palindromes in the dictionary however are the words 'Malayalam''rotavator' 'redivider'. Now check these out. 'A man a plan a canal panama'. 'Ten animals i slam in a X Xylophones(Greek xylon,"wood"; phone,"sound") were actually developed in South East Asia in the 14th century Y If you pile up the cans of Yeo's products, you would be able to reach the moon. If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee. The term Y2K was invented by David Eddie in June 1995 through the email. Z Zebras are not black with white stripes, but are actually white with black stripes, coz if any of you animal lovers happen to stare at it's butt, you'll notice that the black stripes end there. (Care to look??) Zero point energy is a source of energy which is released when atoms stop moving, at -273 Celcius. Impossible?