Long ago，poems were recited out loud instead of being written down. Back when the Greeks first started the Olympics, they held poetry contests as well as athletic competitions.

    Now，poetry competitions have been revived (恢复). This year 120,000 high school students competed in the first Poetry Out Loud national recitation contest，performing poems from memory for $100,000 in prizes.

    The first competitions were held in classrooms. The winners went on to school－wide contests, and then they competed in city and state competitions. Finally, the 50 state champions，along with the District of Columbia champion came to Washington D．C．last week for the last showdown. After the 51 champions competed against one another, 12 went on to the finals. Then the field was narrowed to five. The final five had one last chance to “perform” a poem. The overall champ, Jackson Hille, a high school senior from Ohio, won a $20,000 scholarship.

    The National Endowment for the Arts and the Poetry Foundation started Poetry Out Loud, because they realized that bearing a poem performed is a different experience from reading it on a page.

    It's not just a matter of saying the words in the right order. It's the tone of voice, the pauses, the gestures and the attitude of the person performing that bring the words to life. “Each time we hear somebody recite a poem, we understand again what we found fresh and interesting about it，” said National Public Radio Broadcaster Scott Simon, master of ceremonies for the finals. Hearing it in a new voice offers something new to the listener.

    Not only do the people hearing poems have a new experience, but memorizing and presenting poems helps the participants (选手) understand those poems in a new way. Another benefit of a competition such as Poetry Out Loud is that the participants learn public－speaking skills that can help them for life.

    Sweet or salty? What kind of tastes do you like? If like me, you have a sweet tooth and you probably can't resist eating cakes, biscuits or chocolate and will sweeten your tea or coffee with spoonfuls of sugar-delicious! But the taste makes it very easy to ignore the warnings that too much of the white stuff（东西）is bad for our health.

    Consuming sugar is an addiction-the more we eat, the more we want. Today's processed food, like ready meals, is related to the stuff and many fizzy（起泡的）drinks contain seven teaspoons of sugar in just one can. In the UK, statistics show that sugar consumption is at its highest level in history and the government is trying to get the food industry to cut the amount of sugar in popular products like chocolate bars by 20% by 2020.

    Of course, sugary food tastes nice, it can help lift our mood, and a part in it can refresh us. But there are dangers too :a high-sugar diet is linked to putting on weight, and being overweight can increase the risk of getting type 2 diabetes（糖尿病）. With these warning signs, I have considered changing my diet by replacing sugary snacks with fruit and salty biscuits-but that's boring!

I'm not alone. BBC journalist Radhika Shanghani, has gone one step further. Encouraged by some well-knowns and nutritionists promoting a 'zero tolerance' approach to sugar, she gave it up altogether, thinking it would make her healthier. Initially she says, “My first fortnight involves mood swings. I have disturbing headaches and feel permanently hung-over.” These symptoms disappeared but she still found food shopping hard as she was stressing about buying the right things.

    Her experiment wasn't a success. She eventually sought advice from Susan Jebb, professor of diet and population health at Oxford University who said: “Lots of people enjoy sugar and gain pleasure from it, so one has to find a balance between enjoyment and eating the right amount.”

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Writing for AC is a great work opportunity for students, stay-at-home parents and freelance writers –you can work on your own time and submit papers, reviews, essays, etc. on any topic that you have interest in. This is a job you can do from anywhere—all you need is access to the Internet.

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    For hours after their boat sank, Ken Henderson and Coen trod(踏) water in the Gulf of Mexico, talking about life and death while struggling to survive. For more than 30 hours, it worked.

Then Henderson was forced to make a decision. "I'm going to go for help or you're not going to make it," Henderson told Coen, just before cutting the strap(带子) that connected them in the deep, cold waters. "I understand,"Coen responded, giving Henderson a last set of instructions, "Kiss my babies for me."

    Days after the fishing trip ended in tragedy, Henderson told the story for The Associated Press.

    They had been fishing for a few hours when suddenly Coen noticed the boat was filling with water. Henderson got both motors roaring, only to have the saltwater that had leaked in break them straight away…Coen jumped to the right, his sunglasses and cap flying off. The two grabbed extra life jackets and other floating items, including a half full bottle of Diet Coke.

"The water was so cold and it took your breath away," Henderson said. They immediately began to tremble.

    The pair prepared for a long wait. And they talked.

"We discussed things and discussed life. We discussed families. We just tried to keep occupied," Henderson said.

    Eventually Coen started hallucinating(有幻觉). Henderson tried to keep Coen's arms and legs moving. But as morning came, Coen's situation worsened. And so Henderson decided to cut the strap.

    He swam for two hours, tired, frustrated and depressed. Then he saw an oil rig(钻探平台) in the distance. He swam, seeing ice and crystal trees in the water. He reminded himself constantly there were no trees.

    His legs was so weak that he could barely lift them. Henderson slowly pulled himself up the rig's ladder.

    It was over 50 miles from where they had gone in the water.

    All he could think of was Coen. Convinced his friend would survive, he told the coast guard where they had parted.

    Two hours later, a fisherman found a body in a life jacket.

    Later, in the hospital, Henderson saw his friend. He apologized and asked for forgiveness. He promised to realize his wishes and look after his girls.

"I felt like a part of me had died out there," Henderson said.

    Hot spots of drones (无人机) in Australia are getting sensors to automatically identify the aircraft and their pilots. Australia's Civil Aviation Safety Authority (CASA) said it would fix the equipment at the nation's airports starting next month. The monitors have been planned for some time, but come in the wake of 72 hours of drone-related disorder at the UK's Gatwick airport last week.

    In 2019, Australia will also start a scheme to register drone owners. The UK is also due to introduce a scheme in November that will require recreational drones weighing 250g (0.55lb) or more to be registered.

    Almost 140,000 air travellers were delayed last week after reports of drone sightings caused huge delays at Gatwick Airport. UK police are still searching for the criminals, although they have also raised the possibility that witness reports of the aircraft were mistaken. The incident “highlights” the need for a drone-spotting capability (能力), CASA spokesman Peter Gibson told the news agency Agence France-Presse. The supervision system would be able to spot the types of drone being flown, read their serial numbers and work out where the pilot was located, he said. Efforts to identify pilots would be aided by the introduction of the registration scheme for commercial and casual drone owners, he added. “2019 will witness severe action towards drone safety,” said Mr. Gibson. As well as airports and other sensitive locations, the drone-spotting systems will be fixed in other places known to be popular with drone owners such as the Sydney Harbour Bridge.

    Authorities in Australia have expressed worries about the number of drones being flown in controlled areas in recent months. Anyone breaking rules could face fines of up to 10,000 Australian dollars ($7,058; £5,600) as well as checks on the safety of their craft. “In 2019 it could be very expensive doing the wrong thing with your drone,” said Mr. Gibson. Events at Gatwick were discussed by ministers in a Christmas Eve phone conference. It is understood that the Cabinet Office “pushed” the Ministry of Defence and the Home Office to update their relevant regulations. They also discussed defence systems across the UK's airports.

    Palaces are known for their beauty and splendor, but they offer little protection against attacks. It is easy to defend a fortress (堡垒),but fortresses are not designed with the comfort of a king or queen in mind. When it comes to structures that are both majestic and well-defended, the classic European castle is the best example of design. Across the ages castles changed, developed, and eventually fell out of use, but they still command the fascination of our culture.

    Castles were originally built in England by Norman invaders. In 1066. As William the Conqueror advanced through England, he defended key positions to secure the land he had taken. The castles he built allowed the Norman lords to draw back to safety when threatened by English rebellion. Castles also served as bases of operation for offensive attacks. Troops were summoned to（召集）, organized around, and deployed (部署) from castles. In this way castles served both offensive and defensive roles in military operations.

    Not limited to military purposes, castles also served as offices from which the lord would administer control over his kingdom. That is to say, the lord of the land would hold court in his castle. Those that were socially beneath the lord would come to report the affairs of the lands that they governed and pay tribute to the lord. They would address conflicts, handle business, feast, and enjoy festivities, In this way castles served as important social centers in medieval England. Castles also served as symbols of power. Built on important and noticeable sites overlooking the surrounding areas, castles constantly appeared in the background of many peasants' lives and served as a daily reminder of the lords strength.

    Now, castles no longer serve their original purposes. However, the remaining castles receive millions of visitors each year from those who wish to experience the glory of a time long passed.