He says the problem with teachers is, “What will a kid learn from someone who chose to become a teacher?” He reminds the other dinner guests that it's true what they say about teachers: Those who can, do; those who can't, teach.

    I decide to bite my tongue instead of biting his and stop myself from reminding the other dinner guests that it's also true what they say about lawyers—that they make money from the misfortune of others.

    “I mean, you're a teacher, Taylor,” he says to me. “Be honest. What do you make?”

    I wish he hadn't asked me to be honest, because now I have to teach him a lesson.

    You want to know what I make?

    I make kids work harder than they ever thought they could.

    I can make a C+ feel like a great achievement and an A－ feel like a failure.

    How dare you waste my time with anything less than your very best?

    I make parents tremble in fear when I call them: I hope I haven't called at a bad time, I just wanted to talk to you about something Billy said today.

    Billy said, “Leave the kid alone. I still cry sometimes, don't you?”

    And it was the bravest act I have ever seen.

    I make parents see their children for who they are and what they can be.

    You want to know what I make?

    I make kids wonder.

    I make them question.

    I make them criticize.

    I make them think.

    I make them apologies and mean it.

    I make them write, write, write.

    And then I make them read.

    I teach them to solve math problems that they once thought impossible.

    I make them understand that if you have brains then you follow your heart and if someone ever tries to judge you by what you make, you teach them a lesson.

    Let me make this simple for you, so you know what I say is true;

    I make a great difference! What about you?

    Can exercise during childhood protect you against memory loss many decades later? Exercise early in life seems to have lifelong benefits for the brain, in rats at least.

    “This is an animal study, but it shows that physical activity at a young age is very important—not just for physical development, but for the whole lifelong track of cognitive (认知的) development during ageing,” says Martin Wojtowicz of the University of Toronto, Canada. “In humans, it may delay the appearance of Alzheimer's symptoms (阿兹海默氏症), possibly to the point of preventing them.”

    Wojtowicz's team divided 80 young male rats into two equal groups, and placed running wheels in the cages of one group for a period of six weeks. Around four months later-when the rats had reached middle age-the team taught all the rats to connect an electric shock with being in a specific box. When placed in the box, they froze with fear.

    Two weeks later, the team tested the rats in three situations: exactly the same box in the same room, the same box with the room arranged differently, and a completely different box in a different room.

    The rats without access to a running wheel when they were young now froze the same percentage of times in each of these situations, suggesting they couldn't remember which one was dangerous. But those that had been able to run in their youth froze 40 to 50 percent less in both changed box settings.

    “The results suggest the amount of physical activity when we're young, at least for rats, has influence on brain and cognitive health-in the form of better memories-when we're older,” says Arthur Kramer of Northeastern University in Boston, who has found that, in humans, exercise promotes the growth of new brain cells.

    We often just use our sense of sight, touch, smell, and taste to eat food. But what about our sense of hearing? Does sound also affect our dining experience?

    A new report answers, “yes, it does.”

    That answer comes from researchers at Brigham Young University and Colorado State University in the United States. They found that hearing is important in the eating experience.

    Hearing is often called “the forgotten food sense”, says Ryan Elder. Elder is an assistant professor of marketing at Brigham Young University's Marriott School of Management. He says that if people notice the sound the food makes as they eat it, they might eat less. On the other hand, watching loud television or listening to loud music while eating can hide such noises. And this could lead to overeating.

    For the study, the researchers wanted to test whether the sounds of eating—chewing, chomping and crunching—had any effect on how much a person ate. During the experiments, the test subjects wore headphones and listened to noise at either a high or low audio level. Then researchers gave them a crunchy snack: pretzels. The study found that subjects who listened to the higher volume noise ate more pretzels than those with the low audio levels.

    Elder says that when hiding I heard sounds of eating, like when you watch television or listen to loud music while eating, we take away the sense of hearing. And this may cause you to eat more than you would normally. The researchers are calling this, the “crunch effect”.

    The researchers admit that the effects may not seem like much at one meal. But over a week, a month or a year, all that food can really add up.

    People all need friends because nobody wants to be lonely and a friend can help you in good and bad times. You have made friends since childhood, but you still don't know who your true friends are. Here are some signs to tell you if your friend is a true friend:

Always honest

    Honesty is important to keep a relationship alive. A true friend always tells you the truth. It may be hard sometimes but lying can destroy a friendship. It is important that your friend speaks honestly and never makes up stories.

    There are always periods in your life when you have problems or difficulties. A true friend will always have time to listen to your problems and give advice. It may not be able to offer a solution to your problems but the fact that your friend made time to listen is a sign he/she cares for you. Your friend is not a true friend if he/she can never make time for you when you are in trouble. You also need to be reasonable and accept that your friend also has other things to do so he/she can't always listen immediately to your problems.

Always respectful (尊敬的)

    A true friend will always respect your opinion no matter whether he/she agrees or not. Your true friend may disagree but never insists that he/she is correct.

Always understanding

    It is possible that some problems will arise between you and your friend. A true friend will always be forgiving (体谅的) and understanding even if it isn't his/her fault. We are all different people and we all make mistakes. A true friend is always forgiving and understanding because he/she doesn't want to take the risk of losing his/her best friend.

    On Nov. 24, near Yellowstone's northeast entrance, Spitfire, a female grey wolf, was shot and killed by a hunter as she approached a group of cottages.

    "It was a legal harvest," Abby Nelson, a wolf management specialist said. "The facts are obviously a little bit harder for people to bear, but that pack has showed signs of habituation. They just stand there and have no fear. Wolf hunters can easily pick the one they want."

    The carefree relation that some Yellowstone wolves have built with humans is reportedly attractive for hunters who look for an easy kill.

    In the overnight, yet another famous Yellowstone wolf met a violent end outside the park, officials are actively rethinking how to manage wildlife habituation.

    Smith, a wolf biologist for Yellowstone, says, "Now we're thinking of pounding them," Park officials might use fireworks, and paintball or beanbag guns when they approach humans in the park. "If you get close to people, you're going to get attacked."

    If you think this sounds cruel, you're not alone. Seeing these creatures from the roads that wind through the park not only allows tourists to witness something amazing, but also to reconnect with nature in a way that is better than any conservation campaign. But there's a growing sense that the present policy of doing nothing isn't working; more wolves will unnecessarily die and the broken record of hunters scoring easy kills will go on.

    As Smith adds, urging people to keep wolves wild when meeting them halfway is a big ask. Still, he's hopeful to preserve the world's best place to observe free­ranging wolves; it's a policy change that tourists can be involved in.

    "... perhaps Spitfire's death will accomplish some good, and we'll all come together to do a better job on managing crowds and roads and wolves in Yellowstone, " Smith said.