A warm drink of milk before bed has long been the best choice for those wanting a good night's sleep. But now a study has found it really does help people nod off—if it is milked from a cow at night.

    Researchers have discovered that “night milk” contains more melatonin (褪黑激素), which has been proven to help people feel sleepy and reduce anxiety.

    The study, by researchers from Seoul, South Korea, involved mice being fed with dried milk powder made from cows milked both during the day and at night.

    Those given night milk, which contained 10 times the amount of melatonin, were less active and less anxious than those fed with the milk collected during daytime, according to the study published in The Journal of Medicinal Food.

    Night milk quickened the start of sleep and caused the mice to sleep longer.

    While the effect of cows milk harvested at different time has not been tested on humans up to now, taking melatonin drugs has been suggested to those who are struggling to fall asleep at night.

    Previous studies have also indicated that milk can be excellent for helping sleep because of the calcium content, which helps people to relax.

    Milk is also sugar-free and additive-free with nutritionists recommending skimmed milk as the best choice before bed as it is the least fattening. The more fat you take in before bedtime, the greater burden you will put on your body at night.

    An 18-year-old US girl gained unexpected appreciation and a surprise after she gave “extra help” to an elderly man in the restaurant she was working.

    It's social media that made her seemingly small action go viral and brought her appreciation from hundreds of thousands of strangers and a scholarship to Texas Southern University.

    The heroine Evoni Williams has reportedly been working full-time to earn money for further study in a restaurant in La Marque, Texas，the United States. It was last week when an old man named Adrian Charpentier asked for help to chop his ham for his hands were weak because of illness. On that busy morning when she had loads of work on shoulder, Williams helped the man without hesitation. The moment she was leaning over the counter and cutting the ham was shot by a customer known as Laura Wolf.

    Wolf posted the picture on the Internet and wrote, “I'm thankful to have seen this act of kindness and caring at the start of my day while everything in this world seems so negative. If we could all be like this waitress and take time to offer a helping hand…” According to local reports, Wolf didn't know Williams, neither did Williams know her act was shot and shared on the web. However, the small act of kindness soon accumulated its own power on and outside the Internet.

    Besides praise from netizens and media reports across the United States, a 16000-dollar scholarship to Texas Southern University was recently granted to Williams to support her study plan on business management.

    “We wanted to reward Evoni's act of kindness and let her know that good deeds do not go unnoticed,” said Melinda Spaulding, an administrator at Texas Southern University.

    Visit Nashville, Tennessee, the capital of country music and the home of the Grand Ole Opry. Forty -day bus tour starts from Pittsburgh.

    Departures August 23, September 13, September 27, October 11, October 25.

$185 per person based on double occupancy. Includes private motor coach from Pittsburgh, hotel rooms, reserved tickets for the Grand Ole Opry. Country Festival Friday and Saturday nights, sightseeing tour of Nashville, admissions to places of interest.

    For information, free booklets, and reservations, call 4212 — 6060. Travel and Tours, 2245 Market Street, Pittsburgh, Pennsylvania 15219. 14-day advanced booking required. Visa and Master Card payment welcome.

    Last fall, I happened to overhear a student telling the others he had decided not to sign up for an introductory philosophy course. The demands of his major, he said seriously, meant he needed to take "practical" courses, and "enlightenment" would simply have to wait. For now, employability was the most important.

    The students' conversation fits into a larger alarming narrative about the role of the humanities in higher education. In a time of dizzying technological achievement and of rapid scientific innovation, sceptics of the humanities may question the usefulness of studying Aristotle, the Italian Renaissance or Chinese fiction.

    Actually, I regret not interrupting that student to argue for taking that introductory philosophy course. I would have started by reminding him that, for much of America's history, college graduates were not considered truly educated unless they had mastered philosophy, literature, political theory and history. The key role of higher education was to invite students into the conversations about matters like what it means to be alive and the definition of justice. Fostering engagement with these subjects is still an essential part of the university's function in society.

    I would have also mentioned to the student that he was misinformed about the job market. It is true that many employers are looking for graduates with specialized technical skills, but they also look for other capabilities. As the world is transformed by artificial intelligence, machine learning and automation, the unique human qualities of creativity, imagination and moral reasoning will be the ultimate coin of the realm. All these skills are developed in humanities courses.

    Further, I would have argued that while a degree anchored in the sciences is an important precondition for many jobs, it is not the only route. Look no further than the founders of companies such as LinkedIn, Slack and Flickr, who are among the many tech businesspersons with degrees in the humanities, and who credit that training for their success.

    Contrary to the widely held belief that humanities majors have a hard time getting jobs, recent studies show that those with humanities degrees are successful in the workplace, experiencing low rates of unemployment and reporting high levels of job satisfaction. The ratio between average median(中位数) incomes for humanities degree holders and those with business, engineering, and health and medical sciences degrees has been shown to narrow over the course of a career.

    The case for the humanities can also be understood in less transactional terms and more as a foundational preparation for a life well lived. A humanities education plays a vital role in encouraging citizens to lead an examined life. It fosters critical thinking, self-reflection, empathy and tolerance, the usefulness of which only becomes more apparent as one navigates life's challenges.

    By all means, students should take courses they think practical and follow their interests, but if they also make a point of studying the literature of the Renaissance, or researching into modern poetry, or even taking introductory philosophy, we will all benefit.

    Your next Saturday night takeaway could be brought to you by a robot after a major food delivery company announced plans to use automated vehicles to transport meals. Europe's biggest online takeaway food company Just Eat has partnered with Starship Technologies to deliver food with robots on the streets of London later this month. "Nobody has ever done deliveries with land-based robots," said Allan Martinson, the chief operating officer of Starship.

    The robot courier can travel up to 4 miles per hour for about 10 miles. It uses a GPS signal and nine cameras to navigate (确定方向). Instead of a person arriving at their door, customers could find themselves receiving a notification on their phone that says a robot is on its way and a code to unlock the automated courier. "Put the code in, the robot opens up, and there's your food," said David Buttress, chief manager of Just Eat.

    The robot, which has so far been tested in Greenwich, Milton Keynes and Glastonbury, costs £ 1 to transport within 3 miles, compared with the £3 to £6 it costs for a human courier. To date 30 robots have driven nearly 5,000 miles without getting into an accident or finding themselves picked on by passers-by. They have driven in more than 40 cities around the world, including London and Tallinn, Estonia.

    An initial worry was how the public would react to robots. But Martinson said the public has been calm when passing the delivery machine on the streets. "The most surprising reaction has been the lack of reaction," said Martinson.

    Another significant fear was that people would disrupt (扰乱) the robots, or try to steal them and their contents. To prevent this, the robot is fitted with nine cameras, two way audio, and movement sensors that send a warning if it is lifted off the ground. And it opens only with a passcode provided to the customer via a notification. "It's much easier to shoplift than it is to steal a robot," said Martinson.

    Skeptics are a strange lot. Some of them refuse to admit the serious threat of human activities to the environment, and they are tired of people who disagree with them. Those people, say skeptics, spread nothing but bad news about the environment. The "eco-guilt" brought on by the discouraging news about our planet gives rise to the popularity of skeptics as people search for more comforting worldviews.

    Perhaps that explain why a new book by Bjorn Lomborg received so much publicity. That book, The Skeptical Environmentalist, declares that it measures the "real state of the world" as fine. Of course, another explanation is the deep pockets some big businesses with special interests. Indeed, Mr. Lomborg's views are similar to those of some Industry-funded organizations, which start huge activities though the media to confuse the public about issues like global warming.

    So it was strange to see Mr. Lomborg's book go largely unchallenged in the media though his beliefs were contrary to most scientific opinions. One national newspaper in Canada ran a number of articles and reviews full of words of praise, even with the conclusion that "After Lomborg, the environmental movement will begin to die down."

    Such one-sided views should have immediately been challenged. But only a different review appeared in Nature, a respected science magazine with specific readership. The review remarked that Mr. Lomborg's "preference for unexamined materials is incredible (不可信的)".

    A critical (批判的) eye is valuable, and the media should present information in such a way that could allow people to make informed decisions. Unfortunately, that is often inaccessible as blocked by the desire to be shocking or to defend some special interests. People might become half-blind before a world partially exhibited by the media. That's a shame, because matters concerning the health of the planet are far too important to be treated lightly.