1 . “Palace, Mountain, Moon?” has been selected by NASA as the Astronomical Picture of the Day for December 25, 2023.

The photo was taken by Valerio, a young photographer of Turin, Italy. It was shot on the evening of December 15, 2023. While he knew about NASA’s competition, he hadn’t considered participating until receiving much encouragement from his social media followers. Soon after, he received the message, “Your image has been chosen as the astronomical photo of the day.” It was incredible!

In a photo like this, nothing is left to luck. The concept came to him back in 2017. Walking on the hills north of Turin, he found several spots perfect for including both the Basilica of Superga Palace and Mountain Monviso. After numerous visits over several months, he identified four spots where Superga and Monviso line up just right.

After pinpointing these locations, he experimented with shooting them at different times. “I knew I needed something special to perfect the photo. The Sun was a no-go, so I turned to the Moon. Its various phases and position s reach an azimuth angle (方位角) of 230 degrees,” Valerio said. With this in mind, he researched the Moon’s phases, marked potential dates on the calendar, and planned the exact moments when the moon could join the queue.

It was very successful, especially because the Moon was in a waxing phase. This meant that in the photo, not only was its crescent (新月) lit up, but so was the left part, its shadowed side. That part is lit by reflected light, also known as Da Vinci’s glow, named after him because he was the one who theorized about why the Moon’s shadowed side is brightened. During the early days of the waxing Moon phases, the shadowed part is visible because the Sun’s light reflects off the Earth and hits the Moon’s shadowed side, giving it a greyish, silvery color. This allowed the light to outline Monviso on the left as well.

2 . What if our bodies had a new way — other than our eardrums — to hear the world around us? That’s what neuroscientist David Eagleman wondered five years ago. Then he looked at the body for answers and saw a huge sound jack (插孔). “We have this huge input channel called our skin,” he says, “and we aren’t using it.”

So Eagleman, along with Scott Novich, his student at Baylor College of Medicine, created the Versatile Extra-Sensory Transducer, or VEST. The VEST is worn like it sounds. Through 32 tiny motors, it translates sound waves into vibrations (振动) on your back.

First, a computer or smartphone picks up sounds from your surroundings and breaks down the sound sample into a set of specific frequencies. Each frequency band in the set sets off one of 32 motors in the VEST. With time and practice, your brain learns to unconsciously interpret the series of vibrations as sound — and individual sounds as words in a language.

“There is no theoretical reason why this can’t be almost as good as the ears,” says Eagleman. So far, he has trained deaf people to recognize single words through the VEST. He hopes to eventually help them understand sentences, and then full conversations. Just like with language, Eagleman discovered, children — whose brains are more shapable — learned to interpret the VEST more easily than adults did.

Eagleman says his device could one day be deployed in dozens of professions to better understand complex environments. A pilot could interpret a plane’s condition through the VEST’s vibrations. An astronaut could literally feel the health of the International Space Station. Eagleman and Novich’s startup, Neo Sensory, plans to develop the VEST for all kinds of uses, so someday we all can experience this sixth sense. “The possibilities are endless for the kind of information we could be streaming in,” says Eagleman.

3 . For eight years, Sophie created realistic-looking limbs (肢) for those who wanted to fit in. But she longed to work on more odd designs that would stand out. Then she met Pollyanna Hope, a young amputee (被截肢者).

“She wanted something a little different on her leg: pictures of a cartoon she loved, Peppa Pig,” said Sophie, who is now based in London. So she designed a unique leg covered in tattoo-like images of Peppa and other pigs riding a bicycle and eating ice cream. Working with Hope made Sophie realize there was a potential market for limbs.

Since then, Sophie founded the Alternative Limb Project (ALP) to make artistic limbs. Her work includes an arm wrapped in sculpted snakes and a leg that looks like porcelain (瓷器) covered in a painted flowery vine. She makes about six limbs per year, always including clients’ ideas so that they receive a personal piece they can celebrate rather than hide.

Of course, a fancy-looking limb won't suit everyone. For Sophie, the basis is that each limb must satisfy a combination of comfort, beauty and functionality, and pushing too hard in one direction can weaken other areas. But for amputees who appreciate novelty, Sophie has some amazing ideas.

“I’d really like to make a candy-dispenser leg with colorful candies inside it” she says. “Or a cuckoo-clock leg with a wooden bird that pops out every hour.” Her goal is to fashion a striking limb.

“It’ll transform the limbs from an elephant in the room into a conversation piece.”

5 . In the beginning, there was nothing. The vastness of an unborn galaxy was marked by the absence of sound, light and substance. Empty music stood on an empty stage. Then the universe began to form when colors and shapes began to dance across what we would soon come to call the sky, the stars and the planets. Sounds of an orchestra began to play, colorful and clean.

Gustay Holst’s “The Planets, Op. 32”, to put simply, is a magical piece of music. Written between 1914 and 1916, the suite has built a strong legacy. As explained by conductor Peter Bay, Holst found inspiration from a topic that has twisted the human mind for centuries. It cannot be argued how deeply our understanding of the planets has shaped our aesthetics and culture — and Holst takes full creative liberty with this insight.

Each movement proved spectacular. “Clouds” combines a solemn tone with that of peaceful permanence, while “Festivals” follows with blooming joy and loud confidence. “Sirens” features the chorus, with their fascinating calls over the ebb and flow (起伏) of the orchestra itself. Different sections make for an impressive playing and listening experience.

The main event of the evening, to no surprise, proved an excellent journey across the planets that we find so familiar, bringing each to life with persistence and passion. In a world so focused on the digital, it is often easy to forget the power of live performance, particularly that of orchestral music. Yet, the richness and energy that flowed throughout the hall again proved the power of this art form and how fascinating collective sound can be.

6 . The UK’s greatest football grounds

The British football grounds featured in this guide are some of the best in the whole world. Some stadiums have celebrated more success than others, but each ground has its own rich heritage and unique atmosphere.

Craven Cottage, London

Craven Cottage was designed by the Glaswegian architect Archibald Leitch, who built 20 major football stadiums in the UK, including Chelsea’s Stamford Bridge. The“cottage”itself, lying on one corner of the pitch (球场), was added by Leitch because he’d forgotten to have changing rooms in the original design.

Capacity: 25,700.

Tickets: Adult (18+) £19.99        Children under 18 £9.99

Family bonus: 2 adults+1 child £39.97

Visiting time: Mon-Sat, 8:30 — 20:30

Anfield, Liverpool

Anfield saw the fulfillment of many dreams. Located in the solidly working-class area of north Liverpool, it’s another ground built by Archibald Leitch.

It was torn down in 1994 with the coming of all-seated stadiums, but plans are now underway for a £260 m upgrade including a hotel and a “food hub”.

Capacity: 45,500.

Tickets: Adult (18+) £15.99 Children under 18£8.99

Visiting time: Mon-Fri, 9:00 — 20:00

Old Trafford, Manchester

You’d be hard pushed to find any football fan who hasn’t heard of Old Trafford. The stadium, yet another ground designed by Leitch, has been Manchester United’s home since 1910. However, no games were played between 1941 and 1949.

In 2008, to celebrate the 40th anniversary of Manchester United’s first European Cup win, a statue of George Best, Denis Law and Bobby Charlton was displayed.

Capacity: 75,800.

Tickets: Adult (18+) £16.99          Children under 18 £8.99

Visiting time: Tue-Sat, 9:00 — 21:00

7 . In late summer, Death Valley National Park earns its name. The heat in this region of California and Nevada is unbearable. Despite the heat, there was a slow but steady drop of water into the collection bottle of Omar Yaghi’s device, a group of components resembling a telescope. By the end of the day, this system had collected only a few millilitres of water — barely enough for a refreshing sip. But these results, published in July, represent a landmark in the field of Atmospheric Water Harvesting (AWH).

The key ingredient in this device — a water-absorbing chemical called MOF-303 — has the potential to deliver life-sustaining volumes of clean water to regions that currently struggle to access it. “The vision there is to have something like a village-scale device,” says Yaghi, a chemist at the University of California. “If you’ve got a tonne of MOF-303, you could deliver about 500 litres of water a day.”

By current estimates, roughly two billion people lack access to clean drinking water. Desalinated seawater can meet some of this need, but the technology required remains costly and is limited to coastal regions. This accounts for the growing enthusiasm for alternative solutions that extract clean water from the air.

“It is estimated that Earth’s atmosphere contains nearly 13,000 cubic kilometres of water — over six times the volume of the world’s rivers. We cannot exhaust it — it’s always refilled in the process of natural water cycle,” says Tian Li, a materials scientist at Purdue University. And although many of the most promising AWH technologies are still at the stage of lab demonstrations, the field is quickly developing towards real-world systems that produce plentiful amounts of water at low cost.

Di Di is a Chinese director and producer. Through the media company he     1     (found) a few years ago, the 29-year-old makes advertising and promotional     2     (video), including those for Tsinghua University.

With ten years of directing experience under his belt, you might think he     3     (happy) lives in the ivory tower of directing,     4     in fact, he has a very down-to-earth philosophy. “In today’s video-content-centered world, everyone has the ability to be a director and share people’s stories,” he said.

Di’s own somewhat accidental path to becoming a director serves as a perfect example. Majoring in journalism at Tsinghua, he got into     5     (make) films for a student association and then the university as a whole.

For the university’s 2020 promotional video, Di created a story of a group of students     6     aimed to launch their own satellite after facing a sudden setback before the launch date. “We have spent more than two years     7     this. Now with one month     8     (leave), no one knows how it will turn out. But before the dust settles, I want to go all out this time,” said the leader of the student team in the 8-minute-long video.

And in this attempt, Di also found     9     (inspire). “This video made me rethink my own career: Whether to continue working hard in the corporate world or stay true to     10     (me) and create more stories about Chinese young people,” he said.

10 . I came to the sport of triathlons late in life. I spent years accompanying my super-fit brother to triathlons and waiting for him on the hot sidelines while he swam, biked and ran for hours. Then a light bulb turned on in my brain. I could _________, too, instead of suffering intense _______.

Starting with what I knew best, I began swimming. I swam up and down, _________ my54-year-old body that my skills haven’t _________. Thankfully, muscle memory was _________, leaving me confident for the first session. For the bike part, cycling wasn’t as enjoyable as I remembered, but I didn’t _________. Tough as it was, all I cared about was finishing the ride. To exercise for the run, I joined a running group. In the beginning, I could merely run 3 miles, but I kept moving forward. I could _________ achieve the goal in a couple of months. Still, I remained rather _________. How would I swim 1.2miles, bike 56 miles and then run 13.1 miles in one day?

When I carefully _________ my crazy idea to my brother, he jumped on board immediately. The final __________ was painful and the big day eventually arrived this summer. At first, I finished swimming a few minutes ahead of my brother. However, I __________ during the bike ride. After about 22 miles, I stopped, got off my bike and __________, “I think I’m going to quit.”

“You know you won’t let yourself do that”, he replied. __________, I got back and slowly pedaled (蹬车) to the end. The run was more like a walk. My brother chose to stay with me. The sun burning, we talked, laughed and waved to the __________. We crossed the finish line together, and a great cheer went up from the crowd. It was a (n) __________ experience for me.