Black History Month is also known as the African-American History Month. It is celebrated all over the United States of America and Canada in the month of February, while in the United Kingdom it is celebrated in October. Each and every school and university conducts various activities to make the generation aware of the importance that African-American history holds in the nation. The electronic media is filled with themes inrelevance to the occasion, and many activities are carried out across the country to remember the contribution made by African-American citizens in the development of this nation.

    Black History Month was first started bya famous African-American historian Dr. Carter G. Woodson in the year 1926. February was chosen as the month to celebrate the African-American history because it was the birth month of two of the most highly valued people among African-Americans. These were President Abraham Lincoln, who freed the slaves, and Frederick Douglass, who was also the first vice presidential nominee (被任命者) amongAfrican-Americans. Initially, Black History Month was known as the “NegroHistory Week”. This was Dr. Woodson's attempt to encourage awareness amongcitizens about the contribution of African-Americans towards the building of the nation. It was only in the early 1970's that the name “Negro History Week”changed to “Black History Month”. And later, in the year 1976, the entire monthof February was declared to be the National African-American History Month, orthe Black History Month.

Every year, National African-AmericanHistory Month is celebrated by many activities with various ideas and themesfor the younger generation. In 2013, Black History Month celebrates the 50^th anniversary of the March on Washington at which Martin Luther King, Jr. gavehis famous speech “I have a dream”. It also marks the 150^th anniversary of the Emancipation Proclamation (解放黑奴宣言). The theme for Black History Month in 2014 is “Civil Rights in America” remembering the important milestones by African-Americans and others in the battle for civil rights and equaltreatment under the law.

    Campers Gene and Marie Marsden took pride in being good citizens when in the wild. While driving miles to the Green River Lakes area, they taught their children what they had learned in the bear safety handbook put out by the Bridger-Teton Forest Service.

    Mr. and Mrs. Marsden did their best to keep a tidy camp. As the handbook had said to hang all food at least ten feet off the ground and four feet out from the trees, they did that and locked their food in their trailer(拖车) at night. It was already dark when they went to bed, but they perused the campsite with flashlights, making sure nothing was left out. Following the bear book's advice, they slept a hundred yards from where they cooked their food, and kept the car near their tents, separated from the trailer, which they left up at the other camp.

    The Marsdens liked having their dog Spike on guard. But on the first night, Spike would not stop barking. When Marie Marsden pulled the tent open and shone her flashlight, she saw a young bear.

    They all piled into the car and drove quickly down the path, calling out of the window to Spike and abandoning the trailer. They drove to a pay phone and called a Fish and Game Department guard, who identified the bear by the white ring of the fur the Marsdens had seen around his neck. The authorities informed the Marsdens that the bear was a young male that they'd been keeping an eye on.

    The next morning, the Marsdens heard helicopters circling over the mountain and wondered if it might have something to do with the bear.

    After spending the night in the public campground, they drove back to their site. Wandering the area in search of clues, Marie came to a stop below a tall tree. She slapped her head and shouted, “Oh no!”

    “What is it?” Gene asked.

    Marie pointed at the ground where Spike's dog food bowl lay upside down. A week after their return home, the Marsdens read the headline in their local paper. “Bear Killed in Wind Rivers.” According to the article, the Fish and Game Department had shot the young bear because, having been rewarded for invading(侵入) a human campsite, it would likely to do so again.

    The Marsdens knew they had been lucky in the encounter, yet much to their shame and sadness, they also knew that the bear had not.

    A mouse looked through the hole in the wall to see the farmer and his wife open a pckage, and he was devastated to discover it was a mousetrap. Returning to the farmyard, he warned everyone. “There is a mousetrap in the house! There is a mousetrap inthe house! There is a mousetrap inthe house! ”

    The chicken raised her head and said, “Thanks for your warning. Mr. Mouse, but why should I be bothered by a mousetrap?” the pig sympathized, but said, “Wow, Mr. Mouse, I'm sorry for you I can tell this is a great concern to you, but it is none of my business.” The mouse returned to the house, head down and depressed, to face the farmer's mousetrap alone.

The very night a sound was heard throughthe house—-like that of a mouse trap catching its prey. The farmer's wife rushed to see what was caught. In the darkness, she did not see it was a snake whose tailwas caught by the trap, and it bit her. The farmer rushed her to the hospital and she returned home with a fever.

    The farmer killed the chicken to make fresh chicken soup for his wife, but her sickness continued. Frineds and neighbors came to visit her, and to feed them, the farmer butchered the pig. Then she died. So many people came for her funeral that the farmer had the cow cooked to provide enough meat for all of them.

    The mouse looked upon it all from his hole in the wall with great sadness.

    Are you using a dating App to make friends? How do you know that Ben from London is really 25-year-old? Is his photo taken recently? Is his name even Ben? Dating apps can be tricky to operate, particularly when you're trying to know whether someone is trustworthy, but one thing you can't cheat is your gene, which is why a new dating app is using DNA as a basis for its match.

    A dating app named Pheramor requires all users to hand in a cheek sample, from which a team of in-house scientists using a specially-created tool can queue the specific genes connected with attraction and then identify which users might be suitable. The process works by separating the 11 genes that link to our pheromones（信息素）, the chemical signals that are believed to control one's attraction. Combining this data with the personal information allows the app to make very specific matches.

    “Pheramor uses both your biology and your social technology: we collect your genetic data through a cheek sample and collect your like, dislikes, and interest from your social media introductions like Facebook, Twitter, etc,” the app's website explains. “All of them will be used in our specific software, which is designed to learn what you prefer.”

    The co-founder Brittany Barreto, who has a PHD in genetics added that Pheramor's technology digs deeper than traditional dating apps, making it almost impossible for people to cheat their way to a date.

    The Houston-based app is already up and running but hopes to be officially put into market in February with 3,000 members.

    About ten men in every hundred suffer from color blindness in some way. Women are luckier; only about one in two hundred is affected in this matter. Perhaps, after all, it is safer to be driven by a woman!

    There are different forms of color blindness. In some cases a man may not be able to see deep red. He may think that red, orange and yellow are all shadows of green. Sometimes a person cannot tell the difference between blue and green. In rare cases an unlucky man may see everything in shades of green — a strange world indeed.

    Color blindness in human beings is a strange thing to explain. In a single eye there are millions of very small things called "cones". These help us to see in a bright light and to tell difference between colors. There are also millions of "rods", but these are used for seeing when it is near dark. They show us shape but no color.

    Some insects have favorite colors. Mosquitoes prefer blue to yellow. A red light will not attract insects, but a blue lamp will. In a similar way human beings also have favorite colors. Yet we are lucky. With the aid of the cones in our eyes we can see many beautiful colors by day, and with the aid of the rods we can see shapes at night. One day we may even learn more about the invisible colors around us.

    Imagine yourself on a boat looking out at the horizon and all you can see is the water meeting the sky with no land in sight and you are sailing straight ahead to meet the world. Jesse Martin does not have to imagine: he is living in it.

    On Dec. 7, 1998, at 17 years old, Jesse set sail from Melbourne, Australia on his boat, attempting to become the youngest person to sail alone and nonstop around the world. He sailed south of New Zealand, through the South Pacific, around South America, north on the Atlantic, back south past Africa, through the Indian Ocean and back to Melbourne. Even as a young child, Jesse had been an adventurer who traveled all over Europe and Asia with his parents. Born in Munich, Germany in 1981, he moved to Australia with his family when he was only two years old. They moved close to a rainforest in Cow Bay, about 3, 500kms north of Melbourne, where they built a small house with no electricity or running water. Jesse grew up at the beach enjoying the outdoors to its fullest. At 14, he sailed for the first time with his father and brother, Beau. It was after this trip that he began to dream about sailing around the world.

    Jesse's family played an important role. "I was made to believe I could do anything, although there were others that were not so encouraging or supportive" he says. "People that I looked up to, respected and trusted told me I couldn't. Thankfully, I trusted myself. There were people that said that the boat couldn't be ready by the time I had to leave." However, through perseverance (坚持不懈) and belief in himself, he was able to do what many told him was impossible.

    On Oct.31, 1999, more than 10 months after he set sail, Jesse Martin went down in history as the youngest person to sail around the world alone, nonstop and unassisted.