Fairy tales perform many functions. They can provide moral lessons,    1    (let) human beings live in harmony with each other. Such moral lessons may not mean much to a robot, but a team of researchers at Georgia Institute of Technology believes they have found a way    2    (use) the fairy tales as moral lessons that AI (Artificial intelligence) can take to its cold, mechanical heart.            

The researchers have developed a system    3     is called Quixote. The system collects good moral stories from the Internet and then uses those    4    (story) to teach robots how to behave properly.

The experiment    5    (involve) going to a drugstore to purchase medicine. The robot has two choices: either wait in line and purchase the medicine    6     steal the medicine and escape. The robot will easily come to the conclusion that stealing it is     7    (efficient) at obtaining the medicine than waiting in line. But Quixote offers a reward for waiting in line and politely purchasing the medicine and a     8    (punish)   for stealing it.     9     this way, the robot will learn to behave properly on that occasion.

The researchers believe that AI has to be trained to adopt the moral values of society so that they will behave in    10    (social) acceptable ways.

While many people have made videos to cheer on those working on the front lines of the fight since the latest COVID-19 outbreak in Shanghai, Chien Meishuang     1     (spend) her time in lockdown at home, painting simple heartwarming works.

The paintings are part of her Journal of the Pandemic Lockdown,     2     project she started two years ago. “We are all facing a difficult time     3     we are trapped at home,” Chien tells China Daily. “I     4     (simple) wanted to let others know that there is a silver lining amid the dark clouds.”

The Taiwan native, who lives in Shanghai, is being on the receiving end of her neighbors’ kindness.     5     (document) her experience, the artist created a painting, titled Good Neighbors in China, marking the first new     6     (add) to her project this year. Other     7     (scene) shown in her latest works include delivery men having a quick lunch and her neighbors     8     (welcome) a 70-year-old man who returned from hospital after recovering from COVID-19.

“It is because of the pandemic     9     I have made friends from all walks of life in the area where I live. These individuals have provided infinite inspiration and stories     10     my works,” she adds. “As long as an artwork can touch people’s hearts, I believe it is good art. It doesn't matter how simple it is.”

5 . On August 4, 2021, the US toymaker of Mattel showed the latest additions to the collection of Barbie Role Models series-custom, one-of-a-kind dolls modeled after six ordinary female workers. To shine a light on their efforts, Mattel is sharing their stories to inspire the next generation to take after these heroes and give back. The company does not plan on selling these dolls.

Amy O’Sullivan

Amy O'Sullivan is an emergency room nurse at Wyckoff Heights Medical Center in Brooklyn, New York. She treated Brooklyn’s first COVID-19 patient, survived a deadly attack of COVID-19 herself, and then returned to care for others.

Professor Sarah Gilbert

Professor Sarah Gilbert, a professor at the University of Oxford in England has been battling the pandemic(疫情) out of the public sight. Ms. Gilbert helped develop the Oxford/AstraZeneca COVID-l9 vaccine(疫苗), which has helped save the lives of millions of people worldwide.

Dr. Audrey Sue Cruz

Dr. Audrey Sue Cruz is the perfect role model for any young girl wishing to have a STEM career. The 31-year-old got a bachelor’s degree in Electrical Engineering before turning to a medical school. Sue Cruz has been on the front lines in both hospitals and clinics during the pandemic.

Dr. Kirby White

Dr. Kirby White, a doctor in the countryside of Australia, was honored for her work in providing frontline workers with protective gowns(长袍) during the pandemic. She started the movement, Gowns for Doctors, which attracted hundreds of local volunteers and companies to make thousands of re-usable gowns. They were given away to over 750 countryside medical clinics.

7 . China's space program took a major leap recently when it successfully landed the Zhurong rover(登防车) on Mars marking the country's first landing on another planet. Teams then rolled the rove onto the Martian ground and begin a mission to search for evidence of water and signs of past life.

The touchdown makes China the second county in history to land a rover on the surface of Mars. After months in orbit around the red planet, the Tianywen-l Spacecraft released the Zhurong rover for a landing in Utopia Planitia, a vast plain that may once have been covered by an ancient Martian ocean.

“Landing safely on Mars is a huge challenge, especially for China's first soft landing attempt," said Long Xiao, a scientist at the China University of Geosciences, "But it is a necessary step for Mars and deep-space exploration."

Mars is significantly harder to land on than the moon, says Michel Blanc at the Research Institute in Astrophysics and Planetology in France. But China has had a series of successful lunar missions that prepared it for a Mars landing.

China will openly share the data from Tianwen-1 and Zhurong the same way it has shared data from its lunar exploration missions, Long says, benefiting scientists around the world.

The mission will also set the stage for China’s next planned voyage to Mars---a sample---return attempt scheduled to launch around 2028.Beyond Mars, the country has plans to launch a Jupiter probe(探测仪), including a possible landing on the moon Callisto, to collect samples from a near-Earth asteroid(小行星), and to send a pair of spacecraft toward the edges of the solar system.

“In the age of ocean exploration, China has a history of Zheng He's voyages to Southeast Asia and Africa," says Zhang Xiaoping at the Macau University of Science and Technology, referring to early 15th-century explorations. Zhang views China's Mars mission as a continuation of these Ming Dynasty journeys.