1 . Mental health can be negatively impacted by seasonal changes. This phenomenon is referred to as seasonal depression or seasonal affective disorder (SAD).

SAD features depression no matter the season.     1     Unlike Winter SAD with slow thinking and moving, and more eating and sleeping, Summer SAD is a more anxious type that usually results in a loss of desire for food and sleep. Outlined here are steps for you to deal with Summer SAD.

Spending time in nature. Connecting with nature can help you relieve (减轻) the effects of Summer SAD.     2     It also allows you to appreciate the beauty and quietness around you, thus reducing stress and giving you a mental escape.

    3     Surround yourself with positive people and have meaningful conversations with them. In such interactions, you are offered support and different views to see things more positively. So you can gain new insights and feel a boost in your emotional well-being.

Starting a mood Journal to track your feeling. By noting down your thoughts and emotions, you can better understand how certain activities or situations influence your mental state, and reflect on the causes of your depression.     4    

Moving your body. Things including dancing, running or swimming can be powerful cures. Dancing freely can bring sheer joy and freedom, driving out the heavy cloud of summer depression.     5     And swimming not only cools you down but offers a sense of weightlessness.

2 . In Florida, rancher (农场主) Jim Strickland can see his cows at any time, day or night. To do this, all he needs is his phone. Based on GPS technology, Strickland uses virtual fencing to watch and control the movements of his animals.

Virtual fencing uses radio signals to make an invisible fence. Each animal wears a collar (颈圈) around its neck. The collar has a radio signal receiver and a GPS device that shows the animal’s location. The signals come from nearby mobile phone towers or base stations that can be moved using a small truck. Ranchers train livestock (牲畜) to connect a sound with a small electric shock. When an animal gets close to a virtual fence, its collar makes a warning sound. If the animal moves even closer to the fence, it receives a shock. In this way, livestock quickly learn to stay away from the fence. Ranchers can change the virtual fence boundaries quickly by using a phone App or computer. And livestock quickly learn the new boundaries.

By using virtual fencing, Strickland can remotely move his cows from one area to another and watch for animals that may be having problems. For example, if the system shows that a cow has not moved for many hours, it may be sick or injured. Virtual fencing can also help control grazing (放牧). William Burnidge, Deputy Director of TNC, an environmental non- profit organization, said that by changing fence boundaries, the systems prevent animals from eating too many plants within one area, which helps plants grow again.

An animal’s collar can cost $ 50 or even more annually. Last year, the Bezos Earth Fund awarded$ 9.9 million to Cornell University’s College of Agriculture and Life Sciences to develop cost- effective virtual fencing. The institution has outlined a plan to evaluate the effect of this technology in less- developed areas. In certain regions, Burnidge was aware of the significant role played by numerous workers in monitoring and caring for livestock, thus raising concerns that virtual fencing could result in unemployment.

Still, Burnidge said that many people wanted to learn more about the technology. “I’ve never seen anything comparable to the amount of interest,” he said.

3 . “Mobile phone addiction” is a term used to describe the phenomenon of a person being glued to their phone. Researchers from the University of Granada (UGR) has proved that it’s not mobile phones themselves to which people are “addicted”, but rather the social interactions they promote. This study offers the first experimental scientific support for a theory initially proposed in 2018 by Samuel P. L. Veissiere, a scholar at McGill University in Montreal, Canada.

To conduct the experiment, the UGR scientists worked with a sample of 86 subjects who were divided into two groups. Group One was instructed to send a message via WhatsApp to their most active contacts explaining that they were going to participate in an exciting task in a VR universe(the same message in all cases). Group Two was not asked to send this “exciting” message to their contacts.

“Next, we asked both groups of people to mute (静音) their mobile phones and leave them face down on the table while they engaged in the activity. When the interaction with the VR world was over, we left the participants idle. After this period of inactivity, we allowed all the participants to return to using WhatsApp,” explains Jorge Lopéz Puga, lead author of the study.

Throughout the process, the UGR scientists measured the electrodermal activity of the skin, a parameter (参数) taken as a sign of the activity of our nervous system. “We observed that Group One was more tense throughout the experiment. We also found that this group became more anxious when they were asked to stop using their mobile phones. Moreover, when they were allowed to use their phones again, this group experienced a much higher level of emotional arousal (激动),” says Lopéz Puga.

The results show that mobile phones are not the cause of psychological problems, but how and why the devices are used can better explain certain psychological problems.

4 . Studying an undergraduate degree at the University of Melbourne gives you the choice to gain broad exposure (接触) to different ideas, approaches and ways of thinking across many disciplines(学科). Here are ways to apply for an undergraduate degree and the university fees at Melbourne.

If you are a student with these qualifications, you should apply to the University through Victorian Tertiary Admissions Center (VTAC):

●an Australian Year 12

●an International Baccalaureate in Australia

●a University of Melbourne internal transfer

If you’re a student outside Australia, you should apply directly to the University online. Check the undergraduate application due dates to ensure you don’t miss the application deadline.

You’ll need to provide supporting documentation (文件), including your academic results, as part of your online application. When you apply you will have the option to submit your documentation with Digitary VIA. This service independently checks and evaluates (评估) your academic results before providing them to the University. Checked digital copies of your academic records can help quicken your application process. You may keep your checked documents to accompany any additional applications. The Digitary VIA service will charge a one-off fee.

University fees are not based on your chosen degree. Undergraduate tuition fees differ based on your registered subjects each academic semester. The cost of individual subjects within a course may vary. You can find fee estimates on every course page. You’ll also need to factor in other expenses while at university including course materials, excursions, social events, travel and accommodation.

5 . Retired army officer and Parkinson’s (帕金森) sufferer Guy Deacon traveled 18,000 miles down Africa across 25 countries to raise awareness about the condition of the disease in Africa.

It was at school when Deacon received a Wexas traveler’s handbook and on the front cover, there’s a picture of a couple of Land Rovers (路虎车) in the desert with the sun setting behind them. “And I thought, that’s what I want to do when I grow up. I’ve always had this idea to do this when I got the time and money put together.”

Traveling down Africa is a massive challenge for anyone, let alone someone with stage 3 Parkinson’s. It’s an incredibly dangerous journey due to the conflicts, road conditions, lack of services and crime. “Much of the journey I was traveling by myself, I had nobody to be responsible to besides myself. That was a little bit lonely, but I had a sense of achievement when I made it.”

Parkinson’s is the fastest growing illness worldwide and there are many people suffering with the condition in Africa. Deacon kept a boot (后备箱) full of pills in his car which he had intended to give away. Traveling there for months, he realized he couldn’t do that. Other travelers had shared their pills, but the quantity of pills was not enough. “It wouldn’t help for a short period of time, because they need continual pills.”

The experience in Africa left a deep impression on Deacon. He knew what life was like with Parkinson’s without pills. Going back to UK, he had a plan to appeal to more people to fund a foundation which can donate more pills to people with Parkinson’s in Africa.

The Emperor Qinshihuang’s Mausoleum Site Museum announced recently that it would work together with its French partner     1     (repair) Notre- Dame Cathedral in Paris. In 2019, a fire hit the Cathedral and the entire building     2     (destroy).

According to the museum,     3     (locate) in Shaanxi Province, the cooperative research focuses on the protection of wooden remains. Specifically, the research on protection will involve point efforts to preserve and restore     4     fire- damaged wood. Moreover, joint efforts will be made to conduct     5     (study) on their historical significance. The two parties will explore the material properties and historical value of the two sites together in the future, which will provide     6     (guide) on how to restore them. In general, the research will     7     (primary) include wood species identification, preservation condition assessment     8     protection techniques and methods.

For China and France, this will be a good opportunity to exchange their rich experience in heritage conservation.     9     the same time, this Sino- French cooperation also touches on both developing conservation technologies for cultural heritage and jointly     10     (train) young talents in the field of cultural heritage protection.

9 . My sister’s words cut through my excuses. “You should see the world,” she _______. I knew she was right. But traveling felt like something unreal. I was _______ of backpackers talking about their “life- changing” experiences.

Then, my Greek friend reminded me of our decade- old _______ to visit his hometown in Athens. Despite my _______, I found myself on a plane, excited but _______ about what would happen.

Every step through the ancient streets of Athens _______ new wonders. However, what really changed my perspective of travel was a chance _______ with a stranger.

While we were walking, a rhythmic clinking (叮当声) caught our attention. Curious, we _______ the sound. Inside a workshop, a welder (铁匠) was lost in his _______, he paid no attention to us. All that was visible was his short hair and strong figure. His hands ________ worked the metal as if he were an experienced magician creating sparks and flames.

I felt a pang of envy (羡慕). I envied his peace and ________. The simplicity he showed was what I ________. The moment moved me to tears. Watching the welder, I realized that happiness lies not in gathering passport stamps or ________ belongings, but in finding self- satisfaction within yourself.

Since returning back home, I look for meaning in the ________ of moments— the ordinary made extraordinary. There is always beauty waiting to be ________