How to remember your passwords

    Remembering and then forgetting your passwords can be a frustrating business, and one that contributes to more than half of calls made to helplines. {#blank#}1{#/blank#} Once you have reset your password, you're going to need to remember that one too. Follow our tips on breaking the password-frustration cycle.

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    We often create so many user IDs but there are only a small number of passwords that you really need to remember. It's important for you to remember your banking and email passwords, but do you really need to worry about your occasional eBay visit? If you can commit(交付) just a few to memory, you can hand the rest over to a password keeper to do the remembering for you.

Sign up for a password keeping service.

    {#blank#}3{#/blank#} You just need to encrypt(加密) your data and keep it in a safe server. Many password keepers require you to remember just one master password, which will give you access to the accounts you have chosen.

Write them down

    “Just keep them in a safe place, such as a locked box,” says Internet security blogger Bruce Schneider. {#blank#}4{#/blank#} Thus, it isn' t entirely discouraged and can be an efficient back-up plan when all else fails.

Work on your memory

    {#blank#}5{#/blank#} Practicing memory techniques or making certain lifestyle changes, including reducing stress, might just prevent you from having to make that frustrating password phone call ever again.

    Most people agree that honesty is a good thing. But does Mother Nature agree? Animals can't talk, but can they lie in other ways? Can they lie with their bodies and behavior? Animal experts may not call it lying, but they do agree that many animals, from birds to chimpanzees, behave dishonestly to fool other animals. Why? Dishonesty often helps them survive.

    Many kinds of birds are very successful at fooling other animals. For example, a bird called the plover sometimes pretends to be hurt in order to protect its young. When a predator（猎食动物）gets close to its nest, the plover leads the predator away from the nest. How? It pretends to have a broken wing. The predator follows the "hurt" adult, leaving the baby birds safe in the nest.

    Another kind of bird, the scrub jay, buries its food so it always has something to eat. Scrub jays are also thieves. They watch where others bury their food and steal it. But clever scrub jays seem to know when a thief is watching them. So they go back later, unbury the food, and bury it again somewhere else.

    Birds called cuckoos have found a way to have babies without doing much work. How? They don't make nests. Instead, they get into other birds' nests secretly. Then they lay their eggs and fly away. When the baby birds come out, their adoptive parents feed them.

    Chimpanzees, or chimps, can also be sneaky. After a fight, the losing chimp will give its hand to the other. When the winning chimp puts out its hand, too, the chimps are friendly again. But an animal expert once saw a losing chimp take the winner's hand and start fighting again.

    Chimps are sneaky in other ways, too. When chimps find food that they love, such as bananas, it is natural for them to cry out. Then other chimps come running. But some clever chimps learn to cry very softly when they find food. That way, other chimps don't hear them,  and they don't need to share their food.

    As children, many of us learn the saying "You can't fool Mother Nature." But maybe you can't trust her, either.

    Donald Trump has been known to do it in the middle of the night. Kim Kardashian has done it more than 22,000 times. Many people don't understand why you would want to do it at all.

    We're talking about tweeting and, unlike posting your entire life on Facebook, this social media activity demands a particular set of skills.

    Why use Twitter? It's a way to have a one-on-one virtual connection with your heroes and anybody who interests you. Likewise, you can share your life and views with an almost limitless number of people. And it all has to be done within the limit of 140 characters of text – plus photos, videos and links – which really helps you focus your mind.

    Katy Perry has the most Twitter followers, with 95.6 million of the micro-blogging site's 317 million monthly active users. Justin Bieber isn't far behind with 91.5 million, followed by Barack Obama and Taylor Swift with around 83 million each. The heaviest hitters of Twitter are pop stars, heroes of sport and other celebrities. But you don't need to be famous to create a buzz with the right tweets at the right time.

    In fact, Katy Perry is a great example of how to do it well. She has a bubbly tweeting style that mashes up chat about her tours and her music, insights into her emotional roller coaster over the US election, and playful descriptions about her daily life. "Done with my Christmas shopping", she tweeted, and posted a link to her Instagram page that featured crazy gadgets like a "pet emergency jacket" and a "chocolate donut camera".

    To get started on Twitter, pick a simple, memorable user name like @KatyPerry, post a short profile and choose a photo. Some tips: post your own photo (not a photo of your dog, it's not Facebook) and don't be an "egg person" – referring to the absent egg-shaped image when a user hasn't posted their own picture. In that case, Twitter won't get you any followers or respect.

    Then, it's time to start tweeting by sending your updates ("what's happening?") and following people. Building up an army of followers can take time. Generally, the more people you follow and the more you tweet, the more followers you'll get. To become a Twitter star, you need to carve out a reputation for posting original, eye-catching tweets on trending topics – and maximise your visibility by mastering the use of hashtags.

    Twitter Analytics will show you how your tweets are performing and who is following you – right down to their age category, country, income bracket, gender and interests. If your popularity is flagging and your Twitter ego is keeping you awake at night, you can turn to the business of buying thousands of "followers" from online sites. But do be ware – there may be a lot of fake profiles in there and, at the end of the day, it'll feel like paying a crowd of people you don't know to come to your birthday party.

    Happy tweeting!

    Nearly everyone has bad habits. That's because, try as we might, bad habits are hard to break. On the other side, good habits, such as eating more healthfully or exercising regularly, never seem to stick. As a result, most people throw up their hands and surrender.

    But now a new book, Better Than Before: Mastering the Habits of Our Everyday Lives by best-selling author Gretchen Rubin, offers some useful solutions.

    Rubin, who became interested in habits during her research on happiness, which resulted in two popular books, The Happiness Project (2009) and Happier at Home (2012), found that our inability to master unwanted behaviors was a major downer (令人沮丧的因素). So, after guiding millions of readers down the path of true contentedness, Rubin turned her investigative skills toward habits.

    Her most important find? Change is possible if we do some soul searching and identify how we respond to expectations. And, just about everybody falls into one of four personality categories: Questioners, Obligers, Rebels and Upholders.

    Rubin believes herself to be a classic Upholder, someone who forms habits relatively easily because she responds well to both other people's deadlines and her own. As to the other types, Questioners will only form a habit if it makes sense to them; Obligers work hard to meet other people's expectations but often let themselves down. And Rebels resent (反感) habits.

    "Think about the habit that you want to form and then think: "What's everything I could do to set myself up for success?" says Rubin. For example, if you want to exercise more and you're an Obliger, call your friend who lives across the street and meet at 6：30 every morning for a walk.

    One common pitfall (陷阱), says Rubin, especially when it comes to changing your diet, is lack of clarity (清楚). "You can't make a habit out of eating more healthfully, "she says. Instead, your habit should be something like: "I'm going to pack a lunch every day and bring it to work instead of eating out."

    As for exercise, Rubin recommends a strategy called pairing—coupling two activities, one that you need or want to do and one that you don't particularly want to do. Rubin, for example, only allows herself to read magazines while on fitness equipment at the gym.

Plastic-Eating Worms

    Humans produce more than 300 million tons of plastic every year. Almost half of that winds up in landfills(垃圾填埋场)，and up to 12 million tons pollute the oceans. So far there is no effective way to get rid of it, but a new study suggests an answer may lie in the stomachs of some hungry worms.

    Researchers in Spain and England recently found that the worms of the greater wax moth can break down polyethylene, which accounts for 40% of plastics. The team left 100 wax worms on a commercial polyethylene shopping bag for 12 hours, and the worms consumed and broke down about 92 milligrams, or almost 3% of it. To confirm that the worms' chewing alone was not responsible for the polyethylene breakdown, the researchers made some worms into paste(糊状物) and applied it to plastic films. 14 hours later the films had lost 13% of their mass--apparently broken down by enzymes(酶)from the worms' stomachs. Their findings were published in Current Biology in 2017.

    Federica Bertocchini, co-author of the study, says the worms' ability to break down their everyday food-beeswax--also allows them to break down plastic "Wax is a complex mixture, but the basic bond in polyethylene, the carbon-carbon bond, is there as well, "she explains. "The wax worm evolved a method or system to break this bond. "

    Jennifer Debruyn, a microbiologist at the University of Tennessee, who was not involved in the study, says it is not surprising that such worms can break down polyethylene. But compared with previous studies, she finds the speed of breaking down in this one exciting. The next step, DeBruyn says, will be to identify the cause of the breakdown. Is it an enzyme produced by the worm itself or by its gut microbes(肠道微生物)?

    Bertocchini agrees and hopes her team's findings might one day help employ the enzyme to break down plastics in landfills. But she expects using the chemical in some kind of industrial process-not simply "millions of worms thrown on top of the plastic."

    Many studies have hinted(暗示) that alcohol, in moderation, can do a heart good. But new research suggests that moderate drinkers are no more likely than non­drinkers to have clear arteries(动脉).

    The scientists looked at almost 2,000 patients who underwent CT test. Overall, there was no association between people's drinking habits and their heart diseases. Researchers said an advantage of the new study is that it used objective measurements.

    “No prior studies have assessed the relationship between alcohol consumption and the presence of heart disease,” said lead researcher Dr Julia Karady. "We could not find any relation between the presence of heart disease and alcohol consumption," Karady said. At the same time, she added, there was no evidence that heavier drinking raised the risk of heart disease.

    However, groups like the American Heart Association(AHA) warn against excessive drinking, because it can raise blood pressure and contribute to heart failure and other problems.

    In general, "moderate" is defined as no more than one glass of alcohol a day for women, and no more than two a day for men. But those studies do not prove that alcohol, itself, protects the heart—in large part because alcohol also carries risks.