1. Do dogs have a sense of humor?
Scientists researching animal intelligence, they increasingly recognize such a view: the behavior of animals is not just react instinctively, but a subconscious reaction, the substance of their ideas make it have the ability to feel love, anger, sadness and joy and even a sense of humor through sensory organs.
For example, researchers have found that elephants can recognize themselves in a mirror (a lot of kids who may not be able to do it this way) orang-utan (or maybe some poultry) can learn some beginning-level language and to make complicated equipment.
It is conceivable, if the birds can make a hook (hooks) with electrical wire, hook to use food from cans, then would not it be cruel if you use them as a torture test?
2. What about the origin of life?
If you want to complicate a biologist, you simply ask how the origin of life. Since 150 years ago, Darwin continued to think and he thinks that all life on earth originated from "prebiotic soup". But until now, we are still thinking about the origins of life.
We do not know the range of knowledge related to the origin of life, such as how first, where and when life began, and what is life from life to death, takes place only once or repeatedly, and so on.
Some scientists suspect that life came from underground, or around the lips volcano. Being other scientists suspect that a single microbe is the ancestor of all life on earth. At about 3 billion years ago, the planet Mars when it was warm and humid, while the earth is only a cold desert, single microbes are flying to the earth along with the crushed rock explosion in the planet Mars. According to this view, means that we are all human beings from the planet Mars. But until now, all of these allegations have never been proven. So it can not convince anyone. The origin of life, is likely the most mysterious mystery in the universe.
3. Is the inner reaction just nonsense?
Most scientists say do not believe the abnormal phenomena, because these phenomena violate the principle of normal and can not be explained through experiments. But if we can say that crystal therapy (using crystal energy to "magnetic field organisms' body back in a" balanced "and the inner reaction was crap?)
"Abnormal phenomena" includes strength Gamma (?), "Spiritual", babbling a new era (new century), horoscopes, cartomancy / tarot, scientists have reason assume that an abnormal phenomenon is a pseudo science. But scientists on the contrary, they are careful and rational in scholarship, often publish their latest research findings in the leading journal Science. "
However, when the crystal therapies and techniques are believed horoscopes just for entertainment and not a science, and what inner reaction, acupuncture therapy and hypnosis techniques? This remains to be investigated scientifically. And of course, the inner reaction may also be proved as a bird news, who knows? no matter what the outcome, should try to find the real facts.
4. What time is it?
If you want to complicate a physicist, asked him: "What is time?" Therefore, we will not know the answer.
There was a rumor that said, time is the magic weapon that block the natural activity of all objects simultaneously. Time can redefine our lives, because we rely on time to measure life. But in terms of what time it is, we just like the ancients, also does not know anything. And of course, this does not mean we do not know what has been done time. Physicists like Einstain, which in terms of the characteristics of the time had a view of the inside. So we can give a sign at the time, and enter into the equation of time is not the same, and thus we are able to examine a large number of phenomena and draw conclusions.
However, it can not tell us exactly what time it was. Is it a "river" that flows from the past to the future? if yes, then the river is it? What drove the move and based on what the speed of the river's flow? if time is a river, would be able to flow upward into the river? and if we could completely stop the flow of the river is flowing?
This allows fiction novelist said. What amazes us is, physicists also think like this. But before we invent a time machine, we need to know very well against a difficult time at the touch and easy to disappear in this overview. Until the last day, we will uncover the mysteries of this mysterious. But if so, it certainly would appear even more mysteries. Perhaps the only consolation is decent, if someday we can reveal all mysteries, and if it is really solved, then everything would be bland.
5. Why obesity is increasing day by day?
At 100 years ago, in the world there is hardly a single case of obesity, for 100 years, obesity has become a crisis unequaled in the history of human disease. If calculated according to the current situation, we will be more overweight.
Because obesity is clear: eating too much, lack of exercise. But the condition is not as simple as this. First they rarely know, in many countries "obesity" in the west, such as the United States, the heat dissipated people far less heat than is spent those 50 years ago. Compared with those in 1950 ago, we rarely walk, the place is the large number of motor vehicles. Obesity began to flourish since 1980, compared to when it was less common sport.
A large number of scientists believe that behind the proliferation of obesity is certainly a mystery buried deep. Some scientists have said that obesity may be caused by a virus, or can be explained by genetics.
6. Are young people can?
What can we stay young? might work, might not. Preventing aging is one thing that most do not like to talk to scientists, because it can cause a series of problems such as moral and logic or the things that a real headache.
First, in reality we do not know what exactly it is aging. In our view, when we are old, or the physical body itself will also join the old. But in reality it is not. The first 20 years of the age of our lives, our physical from day to day advice and strong, our body functions more days we are more effective, more powerful disease-fighting capabilities. However, why in the coming days (age increases), it all becomes very opposite?
According to the evolutionary theory of aging, why the function of our body begin to age is estimated at 30-50 years old people will die from cold, hunger and death in the wild tiger's mouth, and so on. But if we can not live so long, we did not need evolution to cope with pain during old age. But this can not explain, where when we grow old, what changes have changed the "bell" of genes, thus making our skin becomes dry, the hair becomes white, bones become brittle. Only after we know exactly what caused this change enables new take measures against aging.
But we face a moral issue: are we willing to live in a world in which human beings will not be old forever? or in other words, are we really willing to live in such a world, if only a small number of elite people who are lucky to enjoy a new treatment this young?
7. A minute ago I did the same with me now?
"Am I still the same as one minute ago?" This sounds like a very strange question! But this is one of the most puzzling questions in all of science and the world of philosophy. That is about the recognition of identity. On the surface, the answer is clear: "to be sure, I was the same at the last minute. But try to think about again for a moment. "
10 minutes ago, all the things you do every cell in your brain totally different from the things that made your brain cells now. Every few years later, your body is almost completely changed once. Is Cutty Sark can be recreated with new wood and new components, would be exactly the same with the Cutty Sark sailing in the sea 150 years ago is it? To this, the answer purification theory is: "No". That way, you are no longer your childhood that. This question shows that our consideration of the individual is always in contradiction with the real atmosphere is going. And how do we recognize the identity of the same person, whether based on DNA or other something more nebulous again?
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