I am 26. I'm clear that I'm never going to catch up with Mother Teresa. But I want to do something to help people every single day like her.

    Everybody thinks we just serve food and soda. The safety training is serious and stressful. Caring for 49 people in a business class in 90 minutes is not easy. I had a roommate who was a waitress; she just left a candle and a table cloth burning, and I used a fire extinguisher to put out the fire. If something goes bad at her job, she calls the police. But if something happens up in the air, it's up to us.

    I'm single and have no kids. I've flown every Christmas since 1995. If I fly, someone else can be with their kids. Christmas in an airport can be depressing, but it's the little things that make a difference.

We're not robots. It's hard to put on a smile and just pretend everything is great when it isn't. I've seen co-workers lose a family member the day before a trip and just pull themselves together (take control of their feelings and behave in a calm way). At the end of a 14-hour flight, it's like, "It was really nice to help you, but I'm ready for you to get off the plane." Those last 15 minutes can be the longest 15 minutes of your life. You can't wait to turn off the flight attendant's voice and get something to eat without anyone saying "Excuse me."

Sometimes I go all day and never hear a "please" or a "thank you" when you say "thank you", it's huge. It makes us feel like you actually see us as fellow humans. We're up there together at a height of 30,000 feet, enjoying the miracle of the modern flight.

    What will our future look like? People have always been wondering about this question. Go on reading this text and you will know what will happen in the next fifty years.

    How can we know what the future will look like? To be able to understand the future, you must know the past. What has taken us to where we are today and what has changed along the way? The world has changed a lot in the last 150 years, but we humans are driven by the same basic needs as we were 150 years ago. Will this change in the next 150 years? No.

    What inventions have really made a difference in the last 150 years? In the past years, the inventions that have affected most people around the world for everyday living are the telephone, electricity, radio, television, computer, the car and the ability to communicate through the Internet. Then we of course have a lot of inventions that have made life easier, like new medicine, faster transports etc. In general, human beings have been working hard in the last 150 years to make the inventions so that they will be able to get control of the time and the world. Since there is still much to do in this area, this will be the focus at least for the next 150 years.

    Why do we need to predict the future? Predicting the future is important for two reasons: first we need to start to think about what kind of what kind of future we would like for ourselves and to pass on to the next generation, and then we need to know what decisions we need to make today that will give the best result in the future.

    Phone batteries rarely last a full day anymore, so carrying compact chargers (小巧的充电器) is becoming normal. But many of these so-called portable devices are heavy, thick and inconvenient—until Solar Paper is developed.

    Chicago engineers have designed a super-thin, lightweight panel (面板) called Solar Paper capable of charging an iPhone in two hours and many panels can be combined to boost its power. It was created by Chicago-based Yolk. After raising more than $1million online for the production, it is now available to purchase throughout the country. It comes in four versions—2.5W, 5W, 7.5W and 10w—depending on the output needed for various devices. And these different models are created by combining individual 2. 5W panels together.

    A 2.5W panel will charge an iPhone 6 or Galaxy S3 in five hours. The 5W version charges the same devices but cuts changing time to two hours or three hours if it's cloudy. The 7.5W model Solar Paper changes the devices in the same time as the 5W version but produces more energy when it is cloudy. The 10W version is ideal(理想的) for the iPad Air 2, and will charge a device in 2.5 hours. Each individual panel measures 3.5 inches× 6.7 inches×0.6inches, weighs 60g and 1.5mm thick.

    Other features include a unique automatic reset (重置) function which stops and starts the Paper charging when cast with a shadow or placed in sunlight. Other solar chargers require you to re-plug the wire at these conditions. It also has a low-energy LCD screen that displays the amount of power the Solar Paper produces in real time.

Reasons to visit St.Louis

Whether you're traveling alone, with a friend or with the whole family, there's a nearly endless selection of activities you'll want to experience—so many that it's hard to decide where to go first.

Missouri Botanical Garden

    You could easily spend an entire day making your way through the 79 acres(英亩)on display here. The gardens also boast(以拥有……而自豪) seasonal exhibits, such as the summer Lantern Festival—taking place through July—that showcases beautiful works of light each year.

4344 Shaw Blvd, 314-577-5100, missouribotanicalgarden. org.

St. Louis Art Museum Free

    There are more than 33,000 works on display here, including the recent addition of 225 donated pieces of feature work by American artists and more than 200 pieces from Asia. The museum is free, and special exhibits are free on Fridays.

    I Fine Arts Drive, 314-721-0072, slam. Org
St. Louis Science Center Free

    With a wealth of displays to keep kids and adults alike entertained and learning all day, the center boasts an impressive 700 hands-on exhibits, including a fossil dig site, water tables in the discovery room, electrical energy demonstrations, and cyber activities.

    5050 Oakland Ave, 314-289-4400, slsc.org

St. Louis Zoo Free (Free for some attractions)

    The zoo includes beautiful naturalistic displays and boasts plenty of activities to keep kids excited, from feeding exhibitions and safaris(游猎), to sea lion shows and conservation talks.

    One Government Drive, 314-781-0900, stlzoo.org.

    What is it?

    KindSpring has created a series of 21-Day Challenges designed to help individuals and groups grow in values that help create positive change. Regardless of profession, age, culture or geography, when we try to cultivate(培养) certain values we create a ripple effect(连锁反应) that has the power to transform our lives and the world for the better. When we practice these values together over and over again, our efforts encourage and strengthen each other in remarkable ways. Each of our 21-Day Challenges focuses on a specific value — from kindness to mindfulness. Click here for more information.

    How does it work?

    A small daily commitment + a daily prompt(提示)+ a process for communication. Each 21-Day Challenge invites participants to carry out one small daily action related to the main theme. Every day for three weeks a unique idea is emailed out that serves as a prompt. Participants are encouraged to carry out the act and share stories of their experiences in both online and offline spaces. You can sign up to participate as an individual or you can “host” a challenge for a group you belong to. The challenges were developed for workplace, school/college and family environments, but are broadly usable. Any group is more than welcome to take them on. At the end of 21 days, you may continue the practice with your group, take on a new challenge, or even design your own. There is no charge for any of our services. All the challenges are offered as a gift. Five steps to host a challenge.

    Why should we do it?

    The 21-Day Challenges are all designed to fit the pace of modern day life. They are not very time-consuming（耗时的）, and in most cases demand less than five minutes a day. Twenty-one days certainly can't change everything, but it can begin a new way of being. You are invited to bring these practices to your company, school, community center, or family. Get started with joining a challenge or hosting one here. Let us know if you have questions—we're delighted to help any way we can!

    Last week I was riding my special motorbike and then stopped at a convenience store. As I was getting my wheelchair off the back, a man watched me from his car and I noticed a wheelchair in his back seat. We spoke for a moment and I asked him about the wheelchair. He answered that it was for his daughter. "Well, do you think she would like to go for a ride on my motorbike with me?" I asked. He seemed shocked that a total stranger would ask him this. He thought about it for a second and said, "OK, as long as I can follow you."

    He introduced me to Amy and he sat her on my back seat. Her father followed me for a few miles and she talked non-stop about what she wanted for Christmas. As we came back to the convenience store, she said, "This ride is the best Christmas present I could ever receive. I have been in a wheelchair my whole life and didn't know I could do this." I told her about some of the other things I do (ski, travel the world by myself, etc.). As her father was taking her off my bike, she turned to him and said, "Oh Daddy, I'm going to be OK. Mr. Bryant does all kinds of things, and I will too." Her father turned away as a tear of joy rolled down his cheek. He hugged me and said, "I was sitting here praying for a gift for Amy that would encourage her. She often felt that her life was dull compared to other children. God answered my prayer just now. Now I pray that God will bless you for your gift to Amy today." I believed what he said. Being kind and thoughtful to others, we can be an answer to prayer.