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In Chinese art history, Qi Baishi ranks a towering figure. His unusual and playful style opened up a new vista in the imagery of traditional Chinese painting, and has left a rich legacy still widely (recognize) in modern society.

Lifelike shrimps play a key role in Qi's vast body of visual artworks. The "shrimps" are so popular they have become synonymous with the painter himself. Unlike his predecessors, Qi Baishi painted shrimps in a subjective style with swift and definite brushstrokes. He used different shades of ink (model) the shrimp's torso (躯干) and head. These shrimps are not just passive subject matter; rather they are asserting their presence.

Qi was an all-round and influential artist. Born into a family of farmers in Hunan in 1864, he learned carpentry in his teens, and later taught (he) the arts of painting, poetry, calligraphy and seal cutting. The years spent in rural areas aroused his deep-rooted love of nature. During his youth, he traveled around the country to seek (inspire) from nature while (enthusiastic) studying the masterpieces of early Chinese painters. Qi (settle) in Beijing in 1919 and soon achieved a wide reputation in the Chinese capital. Qi Baishi opened new window for the fine art world. He (award) the title of "People's Artist" in 1953.

But after realizing the monarchs were an endangered species, their1 soon turned into a serious mission.

They learned that the population of monarch butterflies had2 since the early 1990s, due to habitat3 and widespread use of chemicals, which made the milkweeds (马利筋草) that the monarchs4 for their main diet dangerous to eat.

So the girls teamed up with a national nonprofit group to plant a native garden5 for the monarchs. The garden grew organic milkweeds that6 and kept the butterflies. To help7 the locals to sustain the monarch population, they created an exhibition about the monarchs in the local library. They also wanted to put up an educational sign in town, but it8 a lot. To cover the expense, they set up a stand at the Farmers Market to sell their healthy milkweeds for people to9 . Although the fund-raising days were10, they finally succeeded in earning enough money with their hard work and people's support.

The team has won the Silver Award for their11 of taking care of butterflies, but they are not12 with their work. "Our next step is to cut down on the use of13 to guarantee a safe environment for the monarchs," said Natalie. In the award ceremony, their teacher Brian14, "I am so proud of them for their constant15."

The researchers examined data from nearly 35,000 adults in two dozens of previously published studies and found there was just a 10% overlap (重叠) between child prodigies and high-performing adults, such as Olympic champions, renowned composers, and Nobel prize winners.

"There are those young top performers who later become world-class performers at peak performance age," said Arne Güllich, co - author of the paper. "But these are the exception, not the rule."

The researchers defined peak years as being between ages 20 and 30 for sports and chess, and between ages 40 and 50 for science and music. The findings were consistent across various fields.

The new analysis also challenged ideas that excellence comes from hours of specialized early training, or the "10,000-hour rule" popularized by Malcolm Gladwell. The rule suggests that a person needs about 10,000 hours of practice to achieve mastery.

"Many people make decisions for themselves or their children based on these ideas, such as starting their child early in a sport or a musical instrument with the goal of producing the next Tiger Woods or Yo-Yo Ma," said Arne Güllich. "However, our study indicates that adult world-class performers do a range of activities when they were young — with fewer practice hours in their specific discipline but more time in other activities."

Fred Oswald, a psychologist at Rice University who wasn't involved in the work, said the findings were informative, but the implications for advising individuals are unclear. "However, there's a key takeaway: Encourage kids to pursue a variety of interests rather than specializing early," he said. "Evidence suggests that engaging in two additional areas to the main discipline is the sweet spot. So it's unwise to try as many as possible, like sampling all the instruments in music."

"This is a pretty rare phenomenon in terms of human and wildlife cooperation. So, we're not only conserving on a species level, but also on a cultural level," says Brian Smith, a river dolphin expert. "It's a lesson to humanity about our relationship with wildlife."

The Irrawaddy dolphins have another less-known trick: They spit water. It's not just for fun, though. They use it to drive fish into tight groups so they're easier to catch. Some scientists even think they might do it to impress a potential mate.

The Irrawaddy dolphins are one of the only six species that can live in freshwater. But they can also inhabit coastal waters — a quality shared by even fewer species. Their range includes parts of coastal waters of South and Southeast Asia, as well as three specific rivers: the Mekong in Cambodia, the Mahakam in Indonesia, and the Ayeyarwady in Myanmar. While the species as a whole is listed as endangered by the International Union for Conservation of Nature (IUCN), the populations in these three rivers are considered critically endangered, with fewer than 100 individuals estimated in each.

These rivers and coastal areas are often close to intense human activity, so they face serious threats from pollution, habitat loss, coal-carrying ships, and illegal electro-fishing — a practice in which fishers send electric currents through the water to kill fish. Electro-fishing not only dramatically reduces the fish populations that dolphins rely on, but it can also injure or kill the dolphins.

"Without urgent action, these cooperative, curious creatures could disappear forever, much like the Yangtze dolphins, which disappeared from China's waters in 2006, despite conservation efforts, as well as Mexico's Vaquita dolphins, down to around 10 individuals," warns Smith.

Every doctor has had to try their best to calm down patients who've come into their surgery waving an Internet print-out, convinced that they have some rare incurable disease, say, throat cancer. The truth is usually far more ordinary, though: they don't have throat cancer, and it's just that their throats are swollen. Being a graduate of the Internet "school" of medicine does not guarantee accurate self-health-checks.

One day Mrs. Almond came to my hospital after feeling faint at work. While I took her blood sample and tried to find out what was wrong, she said calmly, "I know what's wrong；I've got throat cancer. I know there's nothing you doctors can do about it and I've just got to wait until the day comes."

As a matter of routine I ordered a chest X-ray. I looked at it and the blood results an hour later. Something wasn't right. "Did your local doctor do an X-ray?" I asked. "Oh, I haven't been to the doctor for years," she replied. "I read about it on a website and the symptoms fitted, so I knew that's what I had."

However, some of her symptoms, like the severe cough and weight loss, didn't fit with it—but she'd just ignored this.

I looked at the X-ray again, and more tests confirmed it wasn't the cancer but tuberculosis (肺结核)—something that most certainly did need treating, and could be deadly. She was lucky we caught it when we did.

Mrs. Almond went pale when I explained she would have to be on treatment for the next six months to ensure that she was fully recovered. It was certainly a lesson for her. "I'm so embarrassed ," she said, shaking her head, as I explained that all the people she had come into close contact with would have to be found out and tested. She listed up to about 20, and then I went to my office to type up my notes. Unexpectedly, the computer was not working, so I had to wait until someone from the IT department came to fix it. Typical. Maybe I should have a microwave sausage while I waited?

Meriwether Lewis

Leading the Lewis and Clark Expedition (航行) (1804-1806), this American explorer was appointed by President Thomas Jefferson to map the newly acquired Louisiana Territory. His team journeyed from the Mississippi River to the Pacific, documenting new species and establishing relations with Native tribes (部落). This journey opened the American West to settlement, connecting the nation from coast to coast.

Ferdinand Magellan

Sailing for Spain, this Portuguese explorer organized the first expedition to encircle the globe in 1519. Though he was killed in the Philippines in 1521, one of his ships completed the voyage in 1522. This historic journey proved the world was round, linked the world's oceans, and revealed the vastness of the Pacific.

James Cook

This British naval captain led three groundbreaking voyages across the Pacific in the late 18th century. He mapped the eastern coast of Australia, charted New Zealand's coastline, and explored numerous Pacific islands. Cook's accurate mappings and scientific observations greatly expanded European knowledge of the Pacific region and established new connections between Europe and the South Pacific.

Marco Polo

This Venetian trader traveled the Silk Road to China in the 13th century, spending 17 years in Asia. His detailed accounts of Asian cultures, technologies, and wealth introduced Europeans to a previously unknown world. His book, The Travels of Marco Polo, inspired generations of future explorers and helped bridge the cultural divide between the East and the West.

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Li Hua