What's On?

Trouble in Mind

Alice Childress won an Off-Broadway award in 1956 for this story of a black actress rehearsing（排练） a play with a white director who increasingly finds it impossible for the show to go on. Tanya Moodie and Joseph Marcell star in the play directed by Laurence Boswell.

8.30p.m.—10.30p.m., Theatre Royal. Box office: 01225 448844.

Lazarus

Inspired by the sci-fi (science fiction) novel and movie, The Man Who Fell to Earth, this musical deals with a hero, Thomas Newton. Likely to be the autumn's hottest ticket, the score includes new songs composed by Bowie.

7.00p.m.—9.00p.m., King's Cross theatre. Box office: 0844 871 7604.

The Gaul

On the night of 8 February 1974, a fisherman FV Gaul disappeared off the coast of Norway. For people on board, waiting for news was great suffering. Theories began to come up, including the possibility that the boat had fallen victim to cold war. Even when he was discovered, many still felt there were questions that remained unanswered. Mark Babych directs Janet Plater's play.

8.00p.m.—11.00 p.m., Royal Shakespeare theatre. Box office: 01482 323638.

The Suppliant Women

It is a new version of Aeschylus's 2,500-year-old play about a group of women seeking shelter who make the long journey to escape forced marriage. It was written by David Greigand directed by Ramin Gray. An ancient piece asks a contemporary question: when we are introuble, who will open their doors and give us a harbor?

8.30p.m.—10.00p.m., Hampstead theatre. Box office: 0131 248 4848.

    Housework is a frequent source of disputes (争论) between lazy husbands and their hard-working wives, but women have been warned not to expect men to pull their weight any time soon.

    A study from Oxford University has found that men are unlikely to be doing an equal share of housework before 2050. Mothers, the researchers warned, will continue to shoulder the burden of childcare and housework for the next four decades, largely because housework such as cleaning and cooking is still regarded as“women's work”.

    The gap between the amount of time men and women spend on housework has narrowed slowly over the past 40 years. But it will take another four decades before true housework equality is achieved, the study concluded. The research found that in the Nordic countries, the burden of housework is shared more equally between men and women. In the UK, women spend an average of four hours and forty minutes each day on housework, compared with two hours and twenty-eight minutes for men. This is an improvement from the 1960s, when British women typically spent six hours a day on housework, while men spent just 90 minutes every day.

    But progress towards housework equality appears to be slowing in some countries. Dr Oriel Sullivan, a research reader from Oxford's Department of Sociology, said, “we've looked at what is affecting the equality in the home, and we have found that certain tasks seem to be given according to whether they are viewed as ‘men's work' or ‘women's work'.”Dr Sullivan said cultural attitudes taught at school may be responsible for the views of housework. “At school it is much easier for a girl to be a tomboy, but it is much more difficult for a boy to enjoy baking and dancing,” she said.

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    Many people have long dreamed of being able to fly around as simply as riding a bicycle. Yet the safety and strength of a flying bike was always a big problem. Over the past 10 years, developments in technology have moved the dream of personal flying vehicles closer to reality. Now, two groups of inventors say such vehicles may be available soon.

    The British company Malloy Aeronautics has developed a prototype (原型) of its flying bicycle. Grant Stapleton, marketing sales director of Malloy Aeronautics, says the Hoverbike is able to get in and out of small spaces very quickly." It can be moved across continents very quickly because it can be folded and packed," he adds.

    Mr. Stapleton says safety was the company's main concern. He says the designers solved the safety issue by using overlapping rotors to power the vehicle.

    The company is testing a full-size prototype of the Hoverbike, which will most likely be used first by the police and emergency rescue teams.

    In New Zealand, Martin Aircraft Company is also testing a full-size prototype of its personal flying device, called the Jetpack. It can fly for more than 30 minutes, up to 1, 000meters high and reach a speed of 74 kilometers per hour.

    Peter Coker is the CEO of Martin Aircraft Company. He said the Jetpack "is built around safety from the start". In his words, “Reliability is the most important element of it. We have safety built into the actual structure itself, very similar to a Formula One racing car.

    The Jetpack uses a gasoline-powered engine that produces two powerful jet streams. Mr. Coker says it also has a parachute that would be used, if there should be an emergency. "It starts to work at very low altitude and actually saves both the aircraft and the pilot," he adds. Mr. Coker says the Jetpack will be ready for sale soon.

    Once a teacher was giving her young students a lesson on how the government works. She was trying to explain the principle of income tax(所得税).

    "You see," she began speaking slowly and carefully, "each person who works must pay part of his or her salary to the government. If you make a high salary, your taxes are high. If you don't make much money, your taxes are low."

    "Does it make sense?" she asked. "Does everyone understand the meaning of income tax?" The students nodded.

    "Are there any questions?" she asked. The students shook their heads.

    "Very good!" she said. "Now, I would like you to take a piece of paper and write a short composition on the subject of income tax."

    Little Joe was a slow learner. He had lots of problems with spelling and grammar, but at least this time he seemed to understand the task. He took his pen and after a few minutes, he handed the teacher the following composition: Once I had a dog. His name was Tax. I opened the door and in come Tax.

    War can be deadly for wildlife, too. A new study reports that war is the biggest threat to Africa's elephants, rhinoceroses, and other animals. Researchers examined how years of conflict in Africa have affected populations of large animals. More than 70 percent of Africa's protected wildlife areas have been within a war zone at some point in the last 70 years. The more frequent the fighting, the greater the drop in animal populations, said Josh Daskin, an ecologist at Yale University. He was the lead author of the study, which was published Wednesday in the journal Nature.

    It takes very little conflict, as much as one conflict in about 20 years, for the average wildlife population to be declining, Daskin said. "Areas with frequent fighting — but not necessarily the bloodiest fighting—lose 35 percent of their large animal populations during each year of war," he said.

Some animals get killed by weapons of war. Yet, many also die because of changes in social and economic conditions in an area as a result of war, said Rob Pringle. He is an ecologist at Princeton University and the study's co-author. "People in and around war zones are poor and hungrier. So they may begin to illegally hunt animals for valuable tusks or hunt protected animals to eat," Pringle said. "And during wartime, animal conservation programs do not have as much money or power to protect wildlife."

    The new study examined the entire African continent over 65 years. The researchers looked at 10 different factors that could change population numbers. They included war, drought, animal size, protected areas and human population density. The number of wars had the biggest effect on wildlife population. The intensity of the wars — measured in the number of human deaths — had the least effect on animals.