The Enigma (谜）of Beauty

    The search for beauty spans centuries and continents. Paintings of Egyptians dating back over 4,000 years show both men and women painting their nails and wearing makeup. In 18th-century France, wealthy noblemen wore large wigs (假发）of long, white hair to make themselves attractive. Today, people continue to devote a lot of time and money to their appearance.

    There is at least one good reason for the desire to be attractive：beauty is power. Studies suggest that good-looking people make more money, get called on more often in class, and are regarded as friendlier.

    But what exactly is beauty? It's difficult to describe it clearly, and yet we know it when we see it. And our awareness of it may start at a very early age. In one set of studies, six-month-old babies were shown a series of photographs. The faces on the pictures had been rated for attractiveness by a group of college students. In the studies, the babies spent more time looking at the attractive faces than the unattractive ones.

    The idea that even babies can judge appearance makes perfect sense to many researchers. In studies by psychologists, men consistently showed a preference for women with larger eyes, fuller lips, and a smaller nose and chin while women prefer men with large shoulders and a narrow waist. According to scientists, the mind unconsciously tells men and women that these traits —the full lips, clear skin, strong shoulders —equal health and genetic well-being.

    Not everyone thinks the same way, however. " Our hardwiredness can be changed by all sorts of expectations —mostly cultural, " says C. Loring Brace, an anthropologist at the University of Michigan. What is considered attractive in one culture might not be in another. Look at most Western fashion magazines：the women on the pages are thin. But is this "perfect" body type for women worldwide? Scientists' answer is no; what is considered beautiful is subjective and varies around the world. They found native peoples in southeast Peru preferred shapes regarded overweight in Western cultures.

    For better or worse, beauty plays a role in our lives. But it is extremely difficult to describe exactly what makes one person attractive to another. Although there do seem to be certain physical traits considered universally appealing, it is also true that beauty does not always keep to a single, uniform standard. Beauty really is, as the saying goes, in the eye of the beholder.

    Bryan Forbes, who was born in London on 22 July 1926, made his first screen acting appearance in 1918.

    He landed supporting parts in several outstanding British films, including An Inspector Calls (1954) and The Colditz Story (1955), but it was not long before screen-writing and directing attracted him behind the camera. Together with Richard Attenborough, he set up Beaver Films in 1959. Its first film, The Angry Silence (1960), was written by Forbes and Attenborough played the lead role.

    His directing career began in 1961 with Whistle down the Wind, featuring child star Hayley Mills. Forbes directed many more films in the 1960s and early 1970s. In 1969 he took over as head of production and managing director of EMI—MGM Elstree, and the studio achieved outstanding successes. But it was a torrid time for the company. Troubled constantly by financial difficulties and staffing issues, Forbes quitted in 1971. He then directed The Step ford Wives, based on the novel by Ira Levin, and in 1975 International Velvet, starring Tatum O'Neal, in 1978.

    Forbes, who counted the late Queen Mother among his friends, continued directing, writing and acting throughout the 1980s and early 1990s. He also found success as an author with a number of novels, the latest of which, The Soldier's Story, was published last year.

    After Forbes passed away, film critic Mark Kermode said, “Once I had fun—boyish pleasure of telling Bryan Forbes how much I loved Step ford Wives. He was charming and modest. A great loss.”

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    Flying devices called drones(无人机) may be one of the most important technologies of the future.

    The number of jobs for people who know how to design, build and control them is increasing. Because of this increase, several U.S. universities have started offering degrees in unmanned aircraft systems, or UAS.

    One of these universities is the University of Washington in Seattle. Ward Handley is seeking a master's degree in UAS at the university. When the drone program first began, he did not think it was a good idea. “Drones can be used to invade privacy(侵犯隐私).” He said. But later, Handley changed his opinion. He said, “I think there are good enough purposes for them.”

    The FAA (the part of the U.S. government that controls air travel and traffic) is creating new rules to control the use of drones, however. A new law requires drone owners to register(登记) their drones. People who do not register their drones could face fines of up to US$20,000.

    The new rules may also present problems for students. One problem is finding a legal place to fly.

    Students at Blue Mountain Community College fly inside the college gym. In Seattle, University of Washington students test their drones in a big room.

    Christopher Lum, a scientist at the University of Washington, helps students explore how drones can safely share the sky with regular aircraft. Lum explained why they test drones inside a building, “We need to register our aircraft and get permission to fly outside. That process can take months.”

    At this time, Kansas State University is the only school with permission to offer unmanned aircraft flight classes to students outside. The FAA selected Kansas State University and 15 other universities to be part of a national research group.

    Lum and some of his students recently moved their research to Australia. Australia has fewer rules limiting drones. A professor at Western Washington University also took his department's drones to Canada for the same reason.

    Say you're in the supermarket parking lot，holding your baby，bags of goods，and trying to open your car. A stranger walks up and says，" Here，let me hold your baby." Should you let him?

    According to a new New York University study，knowing whether or not to trust someone is so important that we can tell whether a face is trustworthy before we even consciously know it's there. The researchers knew from previous studies that people are fairly similar when it comes to how they judge a face's trustworthiness. They wanted to find out whether that would be true if people only saw a face for a quick moment—an amount of time so short that it would prevent making a conscious judgment.

    To carry out their study，the researchers monitored the amygdala (扁桃腺结构) of 37 volunteers while showing them 300 faces for 33 milliseconds each. Those faces had already been tested with a different set of 10 subjects，who saw them for much longer. In those earlier tests，people agreed about whether to trust each face. In this new study，fascinatingly，different parts of the amygdala lit up when a subject saw an untrustworthy face and a trustworthy one—and it lit up more when the face in question was suspicious (可疑的).

    " Faces that appear likely to cause harm are suddenly tracked by the amygdala，so it could then quickly change other brain processes and make fast responses to people—approach or avoid，" says Jon Freeman，the study's senior author. "Our talents for making instant judgments could either come from birth or be learned from the social environment."

    So should you trust the guy in the parking lot? Your brain already knows.

    Visit one of the most outstanding prehistoric sites in the United Kingdom, and enjoy amazing historic English attractions. Please notice that every tour starts and ends in London. Have a tour with visiting Britain.

    Stonehenge Direct Tour

    Visit one of the most outstanding prehistoric sites in England and in the world: Stonehenge.

    Duration：1 day

    Price：Adults ￡29.99，Children ￡28.99

    Stonehenge and Bath Tour

    Enjoy a late breakfast before heading to the Stonehenge site and end your day with an original visit to the Roman Baths.

    Duration：10 hours(departure 10：30 a．m.，return 8：30 p．m.)

    Price：Adults ￡64，Children ￡60

    Stonehenge, Bath and Windsor Castle Tour

    Explore three of England's most popular sites to visit: Windsor Castle, Stonehenge and the Roman Baths.

    Duration：1 day(return 8：30 p．m.)

    Price：Adults ￡64.80, Children ￡61.20

    Stonehenge, Lacock and Bath Tour

    Come and feel the warmth of Bath, see the pleasant village of Lacock, and solve the mystery of Stonehenge.

    Duration：1 day(return 6 p．m.)

    Price：Adults ￡85，Children ￡78

    Stonehenge, Windsor and Oxford Tour

    Choose Stonehenge ，Windsor and Oxford Tour and enjoy ancient mysticism, royal history and illustrious knowledge.

    Duration：1 day

    Price：Adults ￡72, Children ￡68

    Stonehenge, Bath and Stratford Tour

    Take a tour to make the most of the English historic attractions：the Stonehenge site, Bath and Stratford, the birthplace of playwright William Shakespeare.

    Duration：1 day(return 8 p．m.)

    Price：Adults ￡79, Children ￡68

    The popular wisdom for years has been that drinking in moderation (适度)—that's one “standard” drink a day for women and two for men-is linked to a lower risk of cardiovascular (心血管的) disease. But recent studies are casting some doubt on that long-held learning. Science now says it depends on your age and drinking habits.

    A 2017 study of nearly 2 million British with no cardiovascular risk found that there was still a modest benefit in moderate drinking, especially for women over 55 who drank five drinks a week. Why that age? Alcohol can influence the substance in the blood in positive ways, experts say, and that's about the age when heart problems begin to occur.

    Also, a 2018 study found that drinking more than 100 grams of alcohol per week—equal to roughly seven standard drinks in the United States or five to six glasses of wine in the UK—increases your risk of death from all causes and in turn lowers your life expectancy. Links were found with different forms of cardiovascular disease, with people who drank more than 100 grams per week having a higher risk of stroke, heart failure.

    Another 2018 study found that consistently drinking a moderate amount of alcohol, within recommended guidelines, had a protective effect on the heart over time. Unstable drinking habits were associated with a higher risk of heart disease, which the authors reflected might indicate broader lifestyle changes, such as poor health or stress. Former drinkers were also at greater risk.

    Overall, however, the latest thinking is that any heart benefit may be outweighed by other health risks, such as high blood pressure, certain cancers and liver damage.

Women who drink are at a higher risk for breast cancer; alcohol contributes about 6% of the overall risk, possibly because it raises certain dangerous hormones in the blood. Drinking can also increase the chance you might develop liver, mouth and oral cancers. One potential reason: Alcohol weakens our immune systems, making us more likely to inflame (发炎)—a driving force behind cancer.