Chủ Nhật, 31 tháng 7, 2011

How many stars in the sky?

Number of stars in the universe more than sand on earth
There are 70 sextillion (1 sextillion = 1000 exponentiation seven) stars in our view, 10 times the total number of grains of sand on the beaches and deserts of Earth, the astronomers announced Australia. They just finished counting the stars are considered the most accurate ever. 

Why the falling Dead Sea not drown?

Swimming in the Dead Sea you never worry about drowning, because the salt contentin sea water as high as 270 thousandths here.
The proportion of seawater is larger than the proportion of friends. So we can float on the sea as a board.

Why women do not have beards?

All mammals have body hair and man, too. Some animals have fur covering the body,but on the human body, the hair grows only in some places.

The hair, the hair on our body to keep the body warm and protect the skin. Eyebrows,eyelashes, ear hair, nose hair is tasked not to fall into dust.

Thứ Sáu, 29 tháng 7, 2011

Why men like women's breasts look?

Women often assume that their face is what men look to end. A scientific study has proven their true thoughts.
According to the researchers, up to 47% of men paying attention to one of the first women when they are exposed, while about 30% attention to the waist and hips, and the few remaining new attention to the woman's face.
One not only is the first men to look to their eyes there was the longest compared to other parts of the body of women. The reason that scientists come up with is the evolution, by women with big breasts and slim waist have a higher percentage of estrogen hormone, fertility is also larger.

Why are cats afraid of mice?

Cats, rats and other predators emit a chemical signal triggers fear in mice.


Why do crabs walk?

Keep your hand on his stomach face down on the table and imagine that it was a halfcrab. Mu crab shells hand, the fingers of your shield. Move the hand forward. Nowwould you have to figure out how to crab sideways.

Why is air so fresh on the coast?

The air in coastal areas contain a large amount of anion. The anion is called "airvitamin", which the airways in the human body, improve the operation of the lungs,increasing ability to absorb oxygen and carbon dioxide emissions.

Why is snow white?

To answer this question, not necessarily you must be a scientist. You may want to try to understand?
When the sun's rays into a particle of snow, it will soon be scattered by a multitude of ice crystals and air pockets inside. Nearly all of the light being bounced back and out of the snow particles. So keep the snow light color of sun - white.

Why do fireflies glow?

Outgoing corruption on earth a firefly glow, you'll see on the ground leaving a trail, which continued to flicker, then fade and then lost. Thus, light emitted by fireflies is the product of a chemical process, rather than biological processes.
Because, after the insects were dead but still light, it is clear that the animals only on duty continuously generate the type of light only. 

The world's largest library where?

Library of Congress is the world's largest library. It was built in Washington in an elegant place, very beautiful scenery. The library was founded in 1800. Then it burned twice during the war and then rebuilt again in 1888 and nine years after construction was completed.

Statue of Liberty was born when?

Statue of Liberty world famous, high 305 yards, is a symbol of the United States, standing on the port of New York. But who made this statue is French, Patuoerdi.On Na-po-le-coup to overthrow his republic II, young Patuoerdi standing on a street in Paris, witnessed the scene in particular that you remember for life: A young woman hands torch holding, mouth, shouting "move on", through all obstacles on the road.The soldiers of Napoleon-pear-aimed shot at his girl, and she collapsed. Then the girl with the torch held high, has become a symbol of spiritual struggle for freedom in the heart of man.

Why people or daydreaming?

Our minds often go wandering when do the boring work. That's because dreaming is a normal state of the brain, not a useless distraction.
"Most psychologists believe that we spent much time thinking on purpose and sometimes instant, we were thinking not about interfering," head researcher Malia Mason at the University Harvard, USA, said. "But actually the opposite. Most of the time we run under the direction and thinking the situation was interrupted by the time to think with purpose." 

Why yellow leaves in autumn?

The molecule is yellow and orange trees instead causes the receiver to dress, but what makes the brilliant red of many plants is still a mystery. Leaf color is revealed to us thatthe level of plant stress.

Leaves in response to temperature drop and the sun low and less of the fall by ceasingproduction of chlorophyll - a substance facilitating tree caught the light and produce energy. Because chlorophyll is sensitive to cold conditions, so in these cases to theearly frost, the leaves will change color rapidly.

Why do sunflowers always towards the Sun?

During growth, sunflowers need to absorb more sunlight to synthesize nutrients, so theflowers are always facing the sun. But after flowering, they are no longer orientedtoward the sun again.

Why dress like water buffalo?

The ancestors of the buffalo species in tropical and subtropical. In areas where the air temperature is very high, the summer can reach around 39 degrees C, but buffalo skinis very thick, sweat glands do not develop.

Why teach animals often carry whips?

Animals have a habit of paying special attention to the physical activity. So whip up dabeat down area it will attract more than small short weapons.


For example, for birds in flight or the animal is running, the dog found out very quickly.
Clothes people wear or wooden stick, they held the whip hand, the predator will think that is part human. So any dog or other predator, the animal will emit an explosionthrows the parts are first, that is, first of all it broke the hand or a whip. The interestingadvantage teach habits of animals, throws a stick or cane to focus its attention, urging it to do the necessary action.


If it may happen that the beast really wants them, stormed into the habit of alwaystaking advantage of them stormed the department throws before, so will achieve theaim of protecting the safety body.