The plants grown by Wageningen University researchers in Mars-like soil back in March have been analyzed and the results are excellent: at least four of the crops do not contain harmful heavy metal levels and are perfectly safe to eat, the University researchers report.

    If you've seen The Martian, you can remember how much Matt Damon got done living off of his poo-powered crop of potatoes. It just goes to show how important it is for a long-term colony to be able to grow their own food locally. We've taken one step closer to that goal in March, when Netherlands' Wageningen University reported that they've managed to grow ten different crops in Mars-like soil.

    However, growing food doesn't do us much good if eating it kills us, and researchers were worried that these crops contained dangerous heavy metals like lead or cadmium(镉) from the martian soil. But future colonists are delighted, as lab analysis of the crops determined that at least four of them are safe to eat.

    Led by ecologist Wieger Wamelink, the team tested radishes, tomatoes, rye, and peas. They looked at cadmium, lead, aluminium(铝), nickel(镍), copper, chrome(铬), iron, arsenic(砷), manganese(锰), and zinc(锌) contents in the plants, and didn't find any in dangerous levels. In fact, some of these vegetables have lower levels of heavy metals than those grown in regular potting soil. The plants were also tested for vitamins, alkaloids(生物碱), and flavonoids(类黄酮), with good results. While there are six more crops to test, Wamelink himself said that the results up to now are “very promising.”

    “Growing food locally is especially important to our mission of permanent settlement, as we have to ensure sustainable food production on Mars. The results of Dr. Wamelink and his team at Wageningen University & Research are significant progress towards that goal,” said Mars One co-founder and CEO Bas Lansdorp in a press release.

    A crowdfunding campaign is underway (and will be until the end of August) to fund the test of the remaining crops, potatoes included. If all the crops test out safe, with concentrations of heavy metal the FDA and the Dutch Food Agency consider as safe, Wamelink's team will host a “Martian dinner” at the Wageningen greenhouse. But I've seen the movie. Stay clear of the potatoes.

Questions you should ask yourself when you fail

    The more new things we try the more failure we are likely to have.{#blank#}1{#/blank#}. Experiencing failure can be a learning experience and an opportunity for a fresh start. A good way to begin this process is by asking yourself some tough questions.

1）What can I learn from this?

Take responsibility for what went wrong. OK, so it was not all your fault—but some of it was. Successful people don't make excuses or blame others.{#blank#}2{#/blank#} So you should look at the experience objectively(客观地).

2）Do I need to acquire or improve some skills?

Did the problem reveal some lack of skill on your part? How could you learn or improve those skills? Perhaps there are books or courses or people you could turn to.{#blank#}3{#/blank#}

3）Who can I learn from?

Is there someone to whom you can turn for advice? Did a boss, colleague or friend see what happened?{#blank#}4{#/blank#}. Most people do not ask for help because they believe it to be a sign of weakness rather than strength. It's not. It shows that you are ready to learn and change.

4）What will I do next?

Now draw up an action plan. Will you try something similar or something different? Revisit your goals. Failure doesn't mean you have to give up; maybe you just need to change it in another way.  {#blank#}5{#/blank#}

A. You can now reset your sights on your destination and plan a new course.

B. Make them step stones to future success.

C. They take responsibility for the failure.

D. In fact the only way to avoid failure is to do nothing new.

E. The important thing is how we deal with failure.

F. Make a self-development plan to acquire the skills and experience you need.

G. If they are constructive and supportive then ask them for some feedback (反馈) and guidance.

    The best festivals in Europe

    Whether they're in the countryside or a post-industrial landscape, Europe's yearly festival calendar means new events, old favourites, crazy people and great charm.

    OFF Festival, Poland

    A small festival in Katowice in south-west Poland, OFF has, over the past 10 years, built an international audience thanks to a challenging and interesting mix of acts. This year's selection focuses on female artists: singer-songwriters Feist and PJ Harvey headline, while Swedish pop singer Anna von Hausswolff and classical composer turned electronic producer Anna Meredith are also on the bill. Meanwhile, the experimental poetry and performance project by Moor Mother will undoubtedly be an unmissable show.

    ·4~6 August, ￡55, off-festival.pl

    Melt, Germany

    What would Melt be without its “sleepless stage”--a non-stop music marathon that runs from Saturday morning to midday on Monday? The German festival for those who love an all-hours party takes place in Ferropolis, Gra fenhainichen. This year, the festival celebrates its 20th anniversary, bringing 20,000 people together. A party train from Cologne also serves as your weekend accommodation! A worthy summer alternative to a party weekend in Berlin.

    ·￡140,14~16 July, melt festival.de

    Primavera Sound, Portugal and Spain

    A festival that has rapidly grown to attract visitors from across Europe with its electronic music, guitar-led acts and plenty of sunshine, Primavera Sound takes place in Barcelona and, since 2012, also in Porto, under the name NOS Primavera Sound. The Barcelona edition takes place across six days with an abundance of DJs on call to keep people dancing, while the smaller, three-day Porto festival has Bicep, Nicholas Jaar and Richie Hawtin, who will be doing a closing on the Friday night.

    ·Barcelona 31 May~4 June, ￡195; Porto 8~10 June, ￡110, primaverasound.com

    While there are a few ways to make use of your old smartphone, one of the better ways is to convert into a dash cam (行车记录仪) that you can use on your bicycle. With the camera, you can record your rides, which is especially helpful if you are involved in a crash with another vehicle.

    To use your smartphone as a dash cam on your bike, you will need to make sure it is properly secured to your bike. To do this correctly, you must take two strips of heavy-duty Velcro (a kind of cloth used as fastening) along with two pipe Clamps (管夹) and a flat corner brace (角撑) to properly attach it. You will start by attaching the comer brace to your smartphone.

    Next, attach a Velcro strip to your phoned back. You will put the second strip on the end of the brace comer and cut any extra Velcro off and away from the brace. By using heavy-duty Velcro, you shouldn't have to worry about the camera brace must be attached to the bicycle directly.

    Take two pipe clamps so you can attach the part of the corner brace so the phone can be held up and used. The pipe    clamps must be positioned near the center of the handlebar, which will enable you to get a better picture when videotaping.

    To run a dash cam app on your old phone, you will just need to download a dash cam app onto the old phone. You will then just start the app at any time you head out on the road. There is always the chance of flaws, but you will be giving yourself a way to protect yourself in a friendly, eco-friendly manner that is much less expensive than purchasing a dash cam.

    A child who suffers bullying(霸凌) usually has low self-esteem and their ability to learn and be successful at school is greatly lessened. Therefore, bullying must be stopped.

    The best and most obvious way to stop bullying in schools is for parents to change the way they raise their children at home. Of course, this is much easier said than done and everyone raises their children differently. Bullies, however, come from homes where physical punishment is used and children have been taught that physical violence is the way to handle problems and “get their way”. Bullies usually also come from homes where the parents fight a lot, so children have been modeled on such violence. Parental involvement is often lacking in bullies' lives and there seems to be little warmth.

    Early intervention (干预) is truly the best way to stop bullying, but parents of the victims or therapists(治疗师) can't alter the bully's home environment. Some things can be done at the school level, however. Most school programs that address bullying apply a multi-faceted(多层面的) method to the problem.

    Hand out questionnaires to all students and teachers and discuss if bullying is occurring. Define exactly what constitutes(构成) bullying at school. The questionnaire is a wonderful tool that allows the school to see how widespread bullying is and what forms it is taking. It is a good way to start to solve the problem.

    Get the children's parents involved in a bullying program. If parents of the bullies and the victims are not aware of what is going on at school, then the whole bullying program will not be effective. Stopping bullying in school takes teamwork and concentrated effort on everyone's part. Bullying also should be discussed during parent-teacher conferences and PTA meetings. Parental awareness is the key.

    In the classroom setting, all teachers should work with the students on bullying. Oftentimes even the teacher is being bullied in the classroom and a program should be set up to teach about bullying. Children understand modeling behaviors and role-play and acting out bullying situations is a very effective tool. Have students role-play a bullying situation.

How to Write a Story

    Writing a detailed story takes patience and practice. {#blank#}1{#/blank#}, though, you can handle the challenge.

    Keep the outline short

    Avoid complete sentences. {#blank#}2{#/blank#}. Long outlines with complete sentences end up being unnecessarily wordy. Sometimes they look like full paragraphs rather than brief outlines. Spending too much time and putting too much detail into your outline is effort you could be putting into writing the story itself.

    Choose a point of view

    Once you've written your outline and thought about the story you want to tell, decide at what point the reader enters the story. For you, and especially for the reader, the experience is a more intriguing one if the reader begins the story in the middle of the action. {#blank#}3{#/blank#}. It will get your reader's attention immediately. He wants to continue reading surely. A boring opening means a bored reader who has no interest in moving on.

    {#blank#}4{#/blank#}.

    Avoid giving everything away about the character in the first few paragraphs. Instead, consider different ways you can reveal different facets of the characters to your readers without stating them in an obvious way. {#blank#}5{#/blank#}. If you take on too many, you'll find you won't be able to develop each of them fully in only a few pages.

A. Develop the characters

B. Instead, use short phrases or terms

C. Begin your story in an interesting way

D. If you're motivated and truly love to write

E. Before you write anything, you need an idea for a great story

F. Limit the number of main characters you include in your story

G. Once you've written your outline about the story that you want to tell