How do ducks do not get wet although they stay in water ?

When you get out of the swimming pool or bathtub, you are soaking wet. Had you been a duck, you would be swimming in water and yet not look really wet. It sounds crazy, but it’s true.The secret lies in the layer of smooth feathers, which keeps the water out and also helps the duck float. Moreover, these smart...

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What is the cause of twinkling of stars?

On a clear, dark night, our eyes can see about 6,000 or so stars in the sky. They seem to twinkle or change their brightness, all the time. In fact, most of the stars are shining with a steady light. The movement of air (sometimes called turbulence) in the atmosphere of Earth causes the starlight to get slightly bent...

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What is Common history of baseball and cricket?

Baseball is often thought to have descended from cricket. They both can be traced back to England. They have common terms such as innings, umpires, runs and outs. So the connection seems very logical. Even some baseball historians think cricket is the ancestor of baseball. Both games do have a link, but it is not a parent-child link. It...

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Where is the land of the midnight sun?

During the summer, the sun does not set above the Arctic Circle. In fact, this phenomenon is what helps to define the Arctic Circle. Like the equator, the Arctic Circle is an imaginary line. It's defined as the latitude above which the sun does not set on the day of the summer solstice (usually around June 21).North of the...

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Why do people need to sleep?

Every creature needs to rest. Giraffes, little babies, elephants, dogs, cats, kids, koala bears, grandparents, moms, dads, and hippos in the jungle — they all sleep! Just like eating, sleep is necessary for survival.Sleep gives your body a rest and allows it to prepare for the next day. It's like giving your body a mini-vacation. Sleep also gives your...

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Where do fish go when it freezes outside?

 It is true that some fish can spend the winter frozen in ice and come out swimming once the ice melts. Not all fish get caught in the ice, of course. Ponds and lakes freeze from the top down, meaning that beneath the icy surface there is usually a layer of liquid water where fish swim.But what about fish...

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What is Invention of Computer chip?

In 1958 and 1959, two people had the idea for an integrated circuit at almost exactly the same time. Transistors had become an everyday thing used in household devices such as radios. They affected everything from radios to phones and at the time manufacturers needed a smaller replacement for vacuum tubes. Transistors were smaller than vacuum tubes, but for...

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How to create Facebook page?

According to Facebook.com, Pages are for businesses, brands, organizations and public figures to share their stories and connect with people. Like profiles, Pages can be customized with stories, events and more. People who like or follow a Page can get updates in News Feed To create a Page: 1. Go to facebook.com/pages/create. 2. Click to choose a Page...

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Where do birds go at night?

Once the Sun goes down, you probably would not see many birds at all. Unless they are nocturnal, like owls, most birds seem to disappear with the last rays of sunlight.Most birds are diurnal, which means they're most active during the day, especially early in the morning and late in the afternoon. Like humans who are active during the day, most...

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What is Memory card?

A memory card is a form of flash memory that is used in a range of electronic devices such as a digital camera or video game console. The memory card stores data, images, music, saved games or other computer files. Flash memory devices like this contain no moving parts so they are not easily damaged. This means that...

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