【推荐2】Our love of the natural world is partially baked into our genes, a study carried out by researchers from the University of Queensland and the National University of Singapore suggests. Using data collected by Twins UK, the most detailed and extensive twin study ever carried out, the team compared the genetic heritability (遗传可能性) of two types of trait—how strongly a person feels connected to nature, and the amount of time they spend in nature. They found that identical twins, who share almost all of their genes, were more similar to each other than the twins who share around half of their genes in their appreciation of nature.

This genetic influence was present in between 34 per cent for frequency of garden visits and 48 per cent for public nature space visits, they say. “I’m truly surprised by what we have found,” said study co-author Prof Richard Fuller, of the University of Queensland. “This means there may be genetic differences among people’s connection with natural environments and how they experience them. Our results help to explain why some people have a stronger desire than others to be in nature.” Previous studies have shown that the environment in which people are raised and live in, be it urban or rural, influences how strongly they desire to be among nature or seek outdoor experiences, with those in more rural areas having a closer relationship with nature. However, this is the first study to suggest that genetics plays a role in how strongly we feel a connection to nature.

As more and more people living in urban areas are reporting lower levels of happiness, and are at a higher risk of mental health disorders such as depression and anxiety, the study highlights the importance of bringing people closer to nature, the researchers say, “Spending a little time at home in the garden can be a great way to experience some nature.” said lead author of the study Dr Chia-Chen Chang, of the National University of Singapore. “Increasing accessibility to nature for urban residents through projects such as shared gardens will be hugely beneficial and will play an important part in improving people’s wellbeing overall.”

【推荐3】Chicken soup. An apple. Hot Ica. When you’re sick, everyone from grandma to the next-door neighbor has a helpful suggestion for food that will put you on the road to recovery. What should we make of this wisdom — do some foods really help us feel better, or even actually get better? And if so, why do we hardly feel hungry during illness when we might think nutrition is needed most?

Yale University immunobiologist Ruslan Medzhitov believes our bodies are working not for making us feel better, but for being alive — and they might not always treat an illness as their greatest risk. Before take-away service was an option, getting food while sick meant putting a weakened body at risk. And finding food also meant losing more energy. Though life has changed, scientists assume these evolutionary holdovers (进化遗存) may still play a role.

That’s a challenge, because your body needs a healthy balanced diet when sick. It requires a specific range of nutrition — protein, fat, vitamins, and more — although Medzhitov says those preferences are a moving target. “The way it changes during illness depends on the type of illness, and that’s the part we don’t know well.” he says. Still by adding protein, fat, a fruit or vegetable, you can maintain a good balance of nutrition. That may be where the original idea of chicken soup came.

There’s no one definite answer as to what to eat during illness. Medzhitov believes that just listening to your body and its preferences is likely the best option. What you desire is more often than not what your body wants. When sick, your desire for one type of food and dislike for another don’t come by accident. Millions of years of evolutionary selection have taught your body to recognize them. “If your body needs vitamin C, you will have desire for something that contains it, even though sometimes we don’t know what that desire is for.”

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【推荐2】Online shopping is the process of buying goods and services from merchants（商家）over the Internet.     1     Books, clothing, household appliances, toys, software and health insurance are just some of the hundreds of products consumers can buy from an online store.

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