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Studies show that during sleep our body and brain repair themselves, benefiting memory and mood.Sleep reinforces the immune system and reduces our risk of infection, diabetes, stroke, heart disease, cancer, obesity, depression, and perhaps even Alzheimer’s disease. Rather than artificially bypassing sleepiness—our natural “safety device”—with sweets, caffeine, or other stimulants, we should heed it and simply get some sleep. Most adults need seven to eight hours of sleep every night to look, feel, and perform their best. Young people need more. Sleep-deprived teens are more prone to have psychological troubles…

#sleep

For over 4,000 years olive oil has been “valued through the ages for food, fuel, salve, and sacrament. Today, the olive’s liquid gold remains unsurpassed among oils, . For thousands of years, the simple process of obtaining olive oil has remained the same. First, the harvesters beat the trees’ branches with rods to make the olives fall to the ground, where they are gathered. Then, the whole olives, including the pits, are crushed in a mill. Next, the solids are removed. Finally, the oil is separated from the water in…

#virgin olive oil

Mexican pyramids are large pile of earth with a temple at the very top and an external staircase that provides access to the summit.One of the most outstanding pyramid sites in Mexico is Teotihuacán. Located about 33 miles [50 km] northeast of Mexico City, Teotihuacán is still a mystery to anthropologists and archaeologists. This ancient metropolis was abandoned by its builders more than 500 years before the Aztec culture emerged. The name Teotihuacán, from the Nahuatl language, means “The City of the Gods” or “Where Men Become Gods.” It is thought that the Aztecs…

#the city of the gods

In today’s digital world, banking, money transfers, and payments—as well as medical, corporate, and government records—are secured by means of complex encryptions. The ciphertext, in turn, is read by those who have the necessary decryption key to restore the data to its original form. Whereas a metal key usually has a set of grooves, a digital key is a string of zeros and ones in various combinations. Longer keys have more combinations and are thus harder to crack. An eight-bit key, for example, has 256 possible combinations, or permutations, whereas a 56-bit…

#spyware-detection program

The Earth’s magnetic field originates deep inside the planet and stretches far into space, where it forms an invisible shield called the magnetosphere. This shield protects us from the full force of cosmic radiation and from dangers emanating from the sun. The latter include the solar wind, which is a steady stream of energetic particles; solar flares, which release in minutes as much energy as billions of hydrogen bombs; and coronal mass ejections (CMEs), which blast billions of tons of matter from the sun’s corona into space. Both solar flares and CMEs trigger…

#sun’s corona

The importance of water to earth and mankind is enormous, but we will be taking five key once. but first lets give a brief introduction to water and its components. Water is an enigma. It is both simple and complex. Each molecule comprises just three atoms—two of hydrogen and one of oxygen. Yet, scientists still do not fully understand how water molecules work. What we all know, though, is that water is essential to life, making up about 80 percent by weight of all living things. Consider just five attributes of…

#importance of water

The ground beneath our feet is understood to be made up of a rigid layer (called the lithosphere) that rests on a mass of molten, slow-flowing rock. Apparently, this rigid outer layer averages some 60 miles [100 km] in depth and makes up only about 0.6 percent of the volume of the planet. The outermost part of it, the crust, is uneven, thicker beneath the continents and as thin as 3.5 miles [6 km] beneath the mid-ocean ridge system. Furthermore, this solid outer shell is not one piece, like the shell of an undamaged egg. Instead, it appears to…

#vent life

The violin is a wooden String Instrument,which produces high melodic pitch pleasant to the ear for lovers of music.Producing a high-quality violin bows, a special kind of wood is needed—but this wood is becoming scarce,” notes the German science magazine natur & kosmos. The tree producing this wood is the Caesalpinia echinata, also known as the Pernambuco or pau brasil. Its natural habitat is the coastal forest of Brazil. But this forest is shrinking fast as land is being cleared for agricultural purposes. The trees now cover only 4 percent of their original area and are on…

#violin tree #endangered

Foraging bees collect nectar from flowers, sucking it up with their tubelike tongues. They carry it back to the hive in one of their stomachs. The nectar is transferred to other bees who “chew” it for about half an hour, mixing it with enzymes from glands in their mouth. Then they place it in hexagonal cells made of beeswax and fan it with their wings to dehydrate it. After the water content is reduced to less than 18 percent, the cells are capped with a thin layer of wax. Capped honey can…

#honeybee

Researchers has found honey to be a potent antiseptic and anti-inflammatory Substance. According to The Globe and Mail newspaper of Canada reports: “Unlike the arsenal of sophisticated antibiotics that have hit a wall against antibiotic-resistant superbugs, honey is able to do battle with at least some of them when it comes to infected wounds.” What is in honey that gives it the ability to affect healing? The answer involves the worker bee that gathers nectar from flowers. The bee’s saliva contains glucose-oxidase, a key enzyme that breaks down the glucose in the…

#potent antiseptic

#natural disasters

Coco-De-Mer, discovered in the middle of the 18th century. is a type of palm tree found only in the Seychelles, a small group of islands in the Indian Ocean. The largest concentration of the Coco-De-Mer is found in the Vallée de Mai, on the island of Praslin. These palms can reach up to 100 feet [30 m] in height and are estimated to live for hundreds of years. One fascinating fact about the Coco-De-Mer is that it is dioecious; there are male trees and female trees. For the female to produce fruit, it must be pollinated by a male Coco-De-Mer. So…

#world largest seed

The Chihuahua is characterized by a well-rounded head, wide-set luminous eyes, a saucy expression, and erect ears, which flare to the sides when in repose. They have short soft hair or long silky hair, and some may be red, blond, blue, or chocolate-colored as well as solid, marked, or splashed. A unique feature of most Chihuahua puppies is the soft spot on the crown, similar to that of a newborn baby.While there are different theories regarding the origin of the Chihuahua as a breed, it appears to have descended from a small dog…

#world smallest dog

BEFORE Hankul was created, the Korean language did not have its own script. For more than a thousand years, educated Koreans wrote their language using Chinese characters. Over the years, however, various attempts were made to devise a better writing system. But since all of them were based on Chinese characters, only the well-educated could use them. An Alphabet Ordered by a King In the 15th century C.E., King Sejong of the Korean Yi dynasty began to contemplate the frustrations of his subjects who could neither read nor write. Most had no…

#learn korea

Advances in brain-imaging technology enable scientists to study brain development in greater detail than ever before. Such studies indicate that early childhood is a critical time for developing the brain functions necessary to handle information, express emotions normally, and become proficient in language. “Brain connections are being wired at an extraordinarily rapid rate in the early years, as the landscape of the brain is shaped by moment-to-moment interactions of genetic information and environmental stimuli,” reports Nation magazine. Scientists believe that the majority of these connections, called synapses, are made in…

#synaptic wiring

Reading to young children has such a powerful impact on the rest of their lives that experts now recommend parents begin doing so when their babies are just hours old,says The Toronto Star. Dr. Richard Goldbloom, who two years ago spearheaded the first newborn literacy program in Canada, says: “One of the things we’ve learned and observed is that when you do read to a baby, they really pay attention from very early infancy. They are listening. Research indicates that just giving books to children from a very early age improves their…

#newborn literacy

The term “biological diversity,” or “biodiversity” for short, designates all the world’s species, ranging from the smallest bacteria to the giant sequoias; from earthworms to eagles. All this life on earth is part of one great, interdependent web that also includes nonliving elements. Life depends on nonliving components such as earth’s atmosphere, oceans, fresh water, rocks, and soils. This community of life is called the biosphere, and humans are an integral part of it. Biodiversity embraces all the bacteria and other microbes. Many of these are known to perform vital…

#threat of global warming

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