Most people agree that honesty is a goodthing. 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（鸟巢）. 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 cryvery 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.

D

Old Problem ， New Approaches

        While clean energy is increasingly used in our daily life，global warning will continue for some decades after CO₂ emissions（排放）peak. So even if emission were to begin decrease today，we would still face the challenge of adapting to climate. Here I will stress some smarter and more creative examples of climate adaptation.

     When it comes to adaptation，it is important to understand that climate change is a process. We are therefore not talking about adapting to a new standard，but to a constantly shifting set of conditions. This is why in part at least，the US National Climate Assessment says that:”there is no ‘one-size fit all' adaptation.” Nevertheless，there are some actions that offer much and carry little risk or cost.

      Around the world people are adapting in surprising ways，especially in some poor countries，Floods have some more damaging in Bangladesh in recent decades. Mohammed Rezwan saw opportunity where others saw only disaster. His not-for-profit organization runs 100 river boats that server as floating libraries，schools，and health clinics，and are equipment with solar panels and other communication facilities. Rezwan is creating floating connectivity（连接） to replace flooded roads and highways. But he is also working at a far more fundamental level：his staff people how to make floating gardens fish ponds prevent starvation during the wet season.

       Elsewhere in Asia even more astonishing actions are being taken. Chewang Nophel lives in a mountainous region in India, where he is known as the Ice Man. The loss of glaciers(冰川) there due to global warming represents an enormous threat to agriculture. Without the glaciers, water will arrive in the rivers at times when it can damage crops. Norphel's inspiration come from seeing the waste of water over winter, when it was not needed. He directed the wasted water into shallow basins where it froze, and was stored until the spring. His fields of ice supply perfectly timed irrigation(灌溉) water. Having created nine such ice reserves. Nophel calculates that he has stored about 200, 000m³  of water. Climate change is a continuing process, so Norhel's ice reserves will not last forever. Warming will overtake them. But he is providing a few years during which the farmers will, perhaps, be able to find other means of adapting.

    Increasing Earth's reflectiveness can cool the planet. In southern Spain the sudden increase of greenhouses (which reflect light back to space) has changed the warming trend locally, and actually cooled the region. While Spain as a whole is heating up quickly, temperatures near the greenhouses have decreased. This example should act as an inspiration for all cities. By painting buildings white, cities may slow down the warming process.

    In Peru, local farmers around a mountain with a glacier that has already fallen victim to climate change have begun painting the entire mountain peak white in the hope that the added reflectiveness will restore the life-giving ice. The outcome is still far from clear, But the World Bank has included the project on its of ‘100 ideas to save the planet”.

    More ordinary forms of adaptation are happening everywhere. A friend of mine owns an area of land in western Victoria. Over five generations the land has been too wet for cropping. But during the past decade declining rainfall has allows him to plant highly profitable crops. Farmers in many countries are also adapting like this—either by growing new produce, or by growing the same things differently. This is common sense, But some suggestions for adapting are not. When the polluting industries argue that we've lost the battle to control carbon pollution and have no choice but to adapt, it's a nonsense designed to make the case for business as usual.

    Human beings will continue to adapt to the changing climate in both ordinary and astonishing ways. But the most sensible form of adaptation is surely to adapt our energy systems to emit less carbon pollution. After all, if we adapt in the way, we may avoid the need to change in so many others.

    More than loo genes are related with increased risk of developing schizophrenia（精神分裂症）,bipolar disorder （躁郁症）and alcoholism（酗酒）,confirms a large study published in the recent issue of the British scientific journal Nature.

    The world's largest study into the genetic basis of mental illnesses was led by researchers from British universities,including University College London (UCL),Cardiff University and King's College London (KCL).

    Researchers believe that they are now much closer than before to understanding the complex biological causes, which make some people being at high risk of developing mental illnesses.They also believe that these findings could lead to new treatments.

    The researchers analyzed the DNA of about 37,000 patients with schizophrenia,bipolar disorder or alcoholism, and compared the smallest genetic changes to those found in about 113,000 healthy people.They then identified about 128 independent genetic variants（变体）at 108 locations on the human chromosomes（染色体）that contribute significantly to developing schizophrenia—83 of these sites have never before been linked to the illness,according to scientists.

    For example,people with the variant of the GRM3 gene,thought to be important in brain signaling,are around 2 to 3 times more likely to develop schizophrenia or alcohol dependence.The variant,which is found in approximately one in every 200 people,is also associated with a three times risk of developing bipolar disorder.

    "We could be looking at the next big drug target for treating mental illness,"Professor David Curtis from UCL, co-author of the paper,said."The work opens up new ways to prevent and treat mental illnesses by revealing the mechanisms involved in their development."

    In our everyday lives we meet situations in which we take many things for granted（不去重视）.We only treasure things when they are gone.This is a sad truth of human nature.One day,I found myself as a witness to a similar situation.

    One evening,I left work and boarded the train.After entering,I noticed something unusual.The center of the car had a few empty seats while both ends were crowded with people standing.I didn't pay much attention and sat down on one of the empty seats.I sensed a funny smell.It wasn't long before I noticed a homeless person sleeping on three seats in front of me.He was bleeding from his nose.Why wasn't anyone helping him?

    His clothes were torn and he was giving off a strange smell.Along with the smell,his eyes were dull,watery and red.Occasionally he scratched himself and people looked at him as if he had committed a crime.As the train stopped at stations and more people came in they covered their noses and faced away from him.All the seats around him were empty.

    Suddenly,he began to swear at the people around him.A plain clothes policeman who looked like a construction worker took out his certificate and showed it to the homeless man.The officer,not wanting to touch the homeless man, told him his rights and directed him to exit the train.As the officer walked the man out of the train,the homeless man turned around and said "MY HOME!" and started crying.

    A man doesn't value things until they are gone.If he didn't have a home,at least he had freedom.Now he has neither.No one wants to help someone who won't help himself.

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    Career Stories

    What do you want to be when growing up? Hear first-hand from four Science Centre staff on the different career paths they have taken. Our real-life role models share their experiences and demonstrate that pathways to success, while unique to everyone, are based on the development of 21st century competencies and a commitment to lifelong learning.

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    Understand the complex connections between human activity, greenhouse gases, heat transfer and climate change. Investigate past climate data, see ocean acidification in action and compare Canada to the world. Use a physical climate model to test whether you can stabilize the Earth's climate.

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    Characteristics of Electricity

    Witness the power of electricity with shocking demonstrations. From Galvani to Tesla, rediscover the practical applications of current, circuits and resistance. Understand how electric energy is generated, and be a part of a human electric circuit. Get energized with a spark-tacular static electric discharge (静电释放)！

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    Mental Health: The Science of Anxiety

Your heart is racing, your mouth is dry and your stomach is in knots! Don't worry, everyone feels anxious sometimes. Explore what's really going on in our brains when we experience anxiety, how it affects our bodies and why stress can sometimes be a good thing. This presentation explains how our brains and bodies react to stress, while introducing students to evidence-based approaches. Mental health applies to everyone—-we can all take steps to enjoy life and deal with the challenges you face each day!

    Duration: 45 minutes

    Time: 11-11:45

    Dates: August7, 8, 9, 10&11, 2018 Price: $10 per student

    If you think can-do, and you're creative and persistent, it's amazing what you can accomplish. During college, I remember being told that to fulfill my language requirement, I would "have to" take a class that I had no interest in and was meaningless to me. Instead of taking this class, however, I decided to create my own. So I put together a list of books I would read and the assignments I would do and found a teacher to sponsor me. I then went to the dean of the school and presented my case. He bought into my idea and I completed my language requirement by taking my self-built course.

    American aviator Elinor Smith once said, "It has long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things."

    It's so true. To reach your goals in life, you must seize the initiative. If you're feeling bad about not being asked out on dates, don't just sit around and sulk, do something about it. Find ways to meet people. Be friendly and try smiling a lot. Ask them out. They may not know how great you are.

    Don't wait for that perfect job to fall in your lap, go after it. Send out your resume, network, volunteer to work for free.

    If you're at a store and need assistance, don't wait for the salesperson to find you, you find them.

    Some people mistake can-do for being pushy, aggressive, or obnoxious. Wrong. Can-do is courageous, persistent, and smart. Others think can-do people stretch the rules and make their own laws. Not so. Can-do thinkers are creative, enterprising, and extremely resourceful.

    George Bernard Shaw, the English playwright, knew all about can-do. Listen to how he said it: "People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in this world are the people who get up and look for the circumstances they want, and if they can't find them, make them."