Computers have beaten human world champions at chess and, earlier this year, the board game Go. So far, though, they have struggled at the card table. So we challenged one AI to a game.

Why is poker(扑克)so difficult? Chess and Go are “information complete” games where all players can see all the relevant information. In poker, other players' cards are hidden, making it an “information incomplete” game. Players have to guess opponents' hands from their actions—-tricky for computers. Poker has become a new benchmark for AI research. Solving poker could lead to many breakthroughs, from cyber security to driverless cars.

    Scientists believe it is only a matter of time before AI once again vanquishes humans, hence our human-machine match comes up in a game of Texas Hold's Em Limit Poker. The AI was developed by Johannes Heinrich, researcher studying machine learning at UCL. It combines two techniques: neural(神经的)networks and reinforcement learning(强化学习).

    Neural networks, to some degree, copy the structure of human brains: their processors are highly interconnected and work at the same time to solve problems. They are good at spotting patterns in huge amounts of data. Reinforcement learning is when a machine, given a task, carries it out, learning from mistakes it makes. In this case, it means playing poker against itself billions of times to get better.

    Mr Heinrich told Sky News: “Today we are presenting a new procedure that has learned in a different way, more similar to how humans learn. In particular, it is able to learn abstract patterns, represented by its neural network, which allow it to deal with new and unseen situations.”

    After two hours of quite defensive play, from the computer at least, we called it a draw.

    A survey has shown that what you do on a plane can be determined by which nationality is listed on your passport.

    According to the results of an international passenger survey, Australians are the biggest drinkers on board with 36 percent choosing to down the hatch, compared to 35 percent of Americans and 33 percent of Brits.

    The Airline Passenger Experience Association(APEX) spoke to around 1,500 people, aged 18 and older, who have travelled by plane at least once during the last three months and were living in the United States, United Kingdom, Germany, Japan, China, Singapore, Australia and Brazil.

    The results found Chinese travelers are most likely to nod off once the seat-belt sign switches off. They are also the first to take out their credit card for some in-flight shopping and the biggest fans of gaming. Americans on the other hand like to use their time in the air more productively—when not drinking—choosing to work while flying at 35,000 feet.

    Meanwhile, Brits and Germans are the best at making chat with random strangers—spending 50 percent more time than any other nationality. Comparatively, Brazilians conduct their conversations online via email, messaging apps or social media.

    Despite plane food having a bad reputation, seven out of ten interviewees said they were happy to eat up on the selection of in-flight snacks and meals. In-flight magazines were also popular with four out of five passengers.

    The international flyers did however express their desire for better in-flight entertainment. “The industry has greatly improved the comfort, entertainment and on board service, and passengers are accepting those improvements” said Russell Lemieux, APEX executive director. “At the same time, passengers are demanding more from their air travel experiences which will drive more improvements touching all aspects of the journey. ” he added.

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    Back in 1988, Red Delicious made up 70 to 80 percent of the domestic apple market. Over the years, farmers sold a lot of them because they looked great. But they had a floury texture (质地), and people want an apple that's firm, crisp(脆的)and juicy. I started searching for one. By 1994, threatened by varieties from Japan and New Zealand, the U.S. apple industry and Washington State University agreed that we had to grow our own.

    First, we cross-pollinated(授粉) existing apples: Collect pollen from one flower, put it on the tip of a pencil eraser, and rub it into another. We crossed dozens of crisp, tasty varieties such as Gala, Fuji, and Pink Lady. But the best breed came out of Honey Crisp and Enterprise parents. We grew the cross-bred seeds into 5-foot trees, grafted those to rootstocks(根茎) to make them start producing quickly, and planted them in evaluation gardens. A few years later, they fruited—and we began tasting.

    So I would walk down long rows of hundreds and thousands of trees, and when I found an attractive fruit, I'd bite, chew, spit it out. Most were terrible, but when I found one with good texture and taste, I'd pick 10 or 20 of them. Then I put them in cold storage to see how they would hold up after a few months. After that, three or four researchers sat down and tasted every apple. We checked acidity and sugar levels, which can break down over time, and tested firmness and crispness using instruments that measure pressure and cell breakdown.

    When we found exactly what we wanted, we planted and tested them all over again. Eventually, we ended up with the Cosmic Crisp. It can spend nine to 12 months in storage, and stay crisp, firm, juicy and sweet.

A Cappella Competition

    Do you love to sing?

    Come and show off your talents at the Chilton Youth A Cappella Competition！

    October 20th, 11: 00-17: 00

    Edward Greatcoat Theater, Sealey Road, Chilton

    Rules

    Please remember that this is an cappella competition!

    No instruments or recorded music will be allowed.

    Competitors may sing published or original songs in any style.

    Competitors must be between eight and 15 years old.

    There are four categories (类):

    ⑴Solo (8-11 years old)          ⑵Solo (12-15 years old)

    ⑶Group (8-11 years old)         ⑷Group (12-15 years old)

    Competitors under 12 years old must stay with a parent or other adult at all times.

    Each competitor must pay an entry fee of $10.

    Winners will receive $500 and a course of 20 lessons with famous voice coach Vickie Leonard.

    Winners will be decided by three judges from the Chilton School of Music. Their decision is final.

    Additional information

    Please arrive at the Edward Greatcoat Theater between 09: 00 and 10: 00 to register (登记), as the competition will start at 11: 00. The parking lot has limited spaces so you are advised to come as early as possible.

    Shared dressing rooms with showers will be provided for all competitors. 

    Tickets for the competition are available at the theater from October 1st. There is no charge for these, but again, spaces are limited.

Are you looking for a great day camp program for your little ones this summer? Here we have rounded up some of the best summer camps close to New York.

Atletico de Madrid

This camp once worked with Arsenal Football Club. It offers boys and girls aged 5-16 chances to train with one of the world's most successful soccer colleges. Two players from die camp will be chosen by coaches to play a game in Madrid in October. This year, this camp will be running for two weeks.

Abrons Art Center

The Abrons Art Center offers learning experiences in dance, music and theater to campers aged 5-13. Campers will take part in an exchange with professional artists and arts workers, who will explain the artistic process. Extended (延长的) day classes provide more opportunities for arts learning.

A Montessori Summer

A Montessori Summer is for children aged 3.5-14. Each week, the program provides the students with a day trip away from school. Usually, children can enjoy the trips to beaches, parks and wildlife preserves (保护区) and they also go mountain-climbing. Certainly, these activities make students' life more colorful.

92Y

The 92Y offers all kinds of experiences to every camper, from their outdoor day camps in beautiful Rockland County (suitable for kids from 5-13 years of age) to their Preschool Day Camp for kids from 3-5 years of age. They also include more camps in the city for kids aged 3-18. From sports to language learning to adventure camps, every kid can pick whatever they like.