D

With the completion of the Human Genome（基因组）Project more than 20 years ago, and the discovery of the double helix structure of DNA enjoying its 70th birthday last year, you might assume that we know how life works. Think again!

Evolution has a 4bn-year head start on us. However, several aspects of the standard picture of how life works-the idea of the genome as a blueprint, of genes as instructions for building an organism, of proteins as precisely tailored molecular（分子）machines and more-have wildly reduced the complexity of life. 

In the excellent book How Life Works, Philip Ball explorers the new biology, revealing life to be a far richer, more delicate affair than we have understood. Ball explains that life is a system of many levels-genes, proteins, cells, tissues, and body modules-each with its own rules and principles, so there is no unique place to look for an answer to it. 

Also, How Life Works is a much more appealing title than the overused question of "What is life?". We should be less concerned with what a thing is, and rather more focused on what a thing does. Defining a living thing implies an unchangeable ideal type, but this will run counter to the Darwinian principle that living things are four-dimensional, ever changing in time as well as space.

But it's an idea that is deeply rooted within our culture. Ball points out that we rely on metaphors（比喻）to explain and explore the complexities of life, but none suffice. We are taught that cells are machines, though no machine we have invented behaves like the simplest cell; that DNA is a code or a blueprint, though it is neither; that the brain is a computer, though no computer behaves like a brain at all.

Ball is a terrific writer, pumping out books on incredibly diverse subjects. There's a wealth of well-researched information in here, and some details that are a bit chewy for the lay reader. But the book serves as an essential introduction on our never-ending quest to understand life.

In 2019, Thierry Henry, a bus driver, found there was a rise in bike thefts in his city, Reykjavik. Rather than 1 that the bike was gone forever, he decided to take matters into his own hands and started to track down the bikes and return them to their 2 owners. 

The 44-year-old has helped return hundreds of stolen bikes in the past 4 years. His social media account has over 14, 500 members and helps people track down more than just lost bikes. His page 3 to people who have lost tools, cars and other items of high value. On top of his noble act, Henry has helped the bike 4 to reform in the process. 

5 , Henry would deal with the thieves with anger. However, over time, he realized that most of the thefts were driven out of poverty and other issues. He went from feeling 6 towards the thieves, to developing empathy （同理心） for their situations. It was very tough at first. But Henry decided to try to 7 them and just talk to them. 

From this moment onward, he reached out to the thieves, offering help and guidance. After the change in his 8 , Henry found that the bike thieves began to often hand back the bikes to him. Amazingly, some former thieves that Henry helped now 9 him in looking for the stolen bikes. 

"It's like a 10 that has got bigger and bigger, ". says Henry. "It's not only me. Many times, someone spots a bike hidden in a bush and takes a picture. Then someone else comments, 'hey, that's my bike'. "

Thanks to Henry, everyone's looking out. 

It was a Sunday and the heavy storm had lasted all night. The morning after the storm, though, was beautiful: blue skies, warm air and a calm, inviting sea touching the shore gently.

My father realized it was a good day for fishing and invited my sister and me to go with him. I was only 14 and fishing had never been my thing, but I decided to go all the same. I'm so glad I did.

On the road to the harbour we could see the terrible destruction on the coast, but the harbour itself was in fairly good shape. After all, it was protected by the arms of a bay that had only one tiny channel to the sea. As we got on board, we noticed two big hums (脊背) in the distance.

On approaching them, we saw it was a mother whale with her baby. We couldn't believe it—there aren't any whales along the coast here. The storm must have driven them across the ocean into the bay, in which the still water was so badly polluted that nothing could survive.

The little baby whale—actually as big as our boat—was obviously stuck and could not move. The mother dived under the water and came up suddenly, making big whirlpools (漩涡) and waves. "She's trying to help her baby, but on the wrong side," my father said. At this point, my father moved our boat in a semicircle to the other side and, heading the boat towards the baby whale, pushed it gently. With our several gentle pushes the big hump turned over and disappeared under water. Then it swam up right beside its mum. They struggled in their desperate attempts to escape but missed the exit and started heading in the wrong direction. We hurried up to the whales and tried to lead them towards the bay channel. Slowly, they let us lead them, sometimes rising from the water right beside us to breathe—and to give us a trusting (信任的) look with those huge eyes. Once they hit their first part of clean water flowing straight from the sea, the mum gave us a wave with her tail and off they swam into the distance.

In the excitement it had felt like only a few minutes, but we had been with those wonderful animals for almost an hour and a half. That was the simple and lasting beauty of the day. Nearly four decades later, I still look back fondly to that golden day at sea.

Strategies to Overcome Self-Doubt Once and For All

Being self-confident is not easy and not everyone can do it, but it doesn't need to be that difficult. {#blank#}1{#/blank#}

Going through life can be very challenging at times. When we were young, no one told us how hard it will be in the future but here we are {#blank#}2{#/blank#} And it is unpleasing and can kill your confidence levels if not controlled from the beginning.

We will all experience some self-doubt, which is natural. {#blank#}3{#/blank#} It happens to us during normal days or whenever we are going to start a new job, a new task, or a new relationship, anything new in life will make you self-doubt. This sort of feeling puts you into dark days when nothing seems to go right and you might feel like giving up, and that is the time to be strong.

 {#blank#}4{#/blank#} Self-doubt is when you are unsure about one or more aspects of yourself. For example, when starting a new job, you might feel inexperienced or might think that you are not fit enough for the job, and this is a prime example of self-doubt.

 {#blank#}5{#/blank#} Low-level of self-criticism is actually good for you. It motivates you and pushes you to be better in life, to become greater than yesterday. This type of feeling will push you to work harder and faster than before and will also increase your productivity, but it should be a low level of self-criticism. You don't want to punish yourself over things that are beyond your control.

A. We needn't take it seriously.

B. It's impossible for us to deal with it.

C. One of the big problems of adult life is having self-doubt,

D. Self-doubt isn't all that bad, let us tell you why.

E. Let's explore to find ways to remove self-doubt forever.

F. It will take long for us to solve this problem.

G. There are some people mistaking self-doubt for something else.

The year was 1937. I was seven years old. And I was with my father and mother, at a Chinese restaurant in Boro Park, Brooklyn. That was the first Chinese restaurant I ever ate at. I was always given food from the adults' orders.

I'm not sure when it was, but the time did come when I had my first order — Won-Ton soup, egg rolls and spare ribs. That made me excited. My father seemed to know the Chinese waiter, a young guy; his name was Jimmy. I remember being surprised that a Chinese man could have an American name.

Some months later, my father took me to a restaurant in Manhattan's Chinatown called The Rathskeller on Mott Street. This was my first time in Chinatown and I was very impressed by how different it was from Boro Park. We went there a few times. I just couldn't have enough of the food there.

In 1951, I was sent to work in the Hospital Treasurer's Office at Letterman Army Hospital. A colleague had an uncle who was a waiter at The Far East Cafe on Grant Avenue in the heart of San Francisco's Chinatown. Once a week, a group from the office would go there for lunch and my colleague's uncle would take good care of us. My favorite dish was Tomato Beef Chow Mein.

It wasn't until about 23 years later, in 1974, that I had my next serious relationship with the cuisine (菜肴) of China. I was lucky to take some cooking lessons provided by a famous Chinese restaurant's chef. Then my life entered a new phase (阶段). I didn't know it then, but some time later, it became clear to me that Chinese food would follow me through the days of my life.

Edward Ndiritu joined Lewa Wildlife Reserve in central Kenya in 1996 as a rhino monitor. Back then, illegal hunting had greatly reduced the country's black rhino population. Worried that they might become extinct, he worked his way up to lead Lewa's anti-hunting team. In 2015, his team's community-focused conservation method won him the first Wildlife Ranger Award from conservation charity Tusk.

He grew up in a village between Mount Kenya and the Aberdare Forest, which was once a wildlife route for migrating elephants and black rhinos. He saw them disappear gradually. He realized that hunting and the disruptive actions of the community were the reasons. The demand for rhino horn(角), which is very valuable in Asia, drives hunters. They are part of a big and rich crime network. There are people who help them by giving them equipment. In 2011 and 2012, Lewa had many difficulties. They lost rhinos. It was found that those involved in hunting were also linked to human smuggling(走私) and other illegal activities.

The hunting challenge has changed. Hunters now have networks, get information from the local community, and use technology like phones and motorbikes. Edward's team has adapted by using cameras, sensors, trackers, and a system that tells them when and where hunting might happen. They also work closely with the community, which is now the first 

line of defense. Lewa gives agricultural training, medical help, and business support to rural women. This makes locals more likely to report hunting before it happens.

To be a good forest guard, one needs to be honest, tough, and motivated. Edward now knows that making sure the forest guards are happy and well is very important. He is hopeful about wildlife conservation in Lewa. Funding is a problem, but organizations like Tusk are helping. Conservation is about people. Looking after those outside the reserve is necessary for the future of wildlife. Only when communities can live in harmony with the animals they see every day will there be a good future for wildlife.