Questions without exact answer

Have you ever thought about what makes up the universe? Or why a giraffe's neck so long? In light of the many mysteries about which science still does not know practically nothing.

What is the universe?

The atoms of which, as you know, is literally everything in the world, are only a small fraction of the universe. Only five percent. The remaining ninety-five - the so-called dark matter or dark energy. This mystical name she received because of her almost nothing is known.






Why do we dream?

Despite the fact that we have been doing this about a third of our life, we still can not answer the question why this is happening. Perhaps dreams are important for our memory or learning ability.

Why do we sleep?

Since ancient times, scientists are trying to understand why people sleep. But until now, it remains a mystery.




Where does the carbon?

Since the days of the industrial revolution people are sent into the atmosphere of carbon hidden in the bowels of the earth. So where it is taken again?

How to get energy from the sun?

Since fossil fuels - the ultimate source of energy, as a result, we may need to extract it from somewhere else. The most reliable candidate now considered the sun. The case for small - to understand how to do it.




What happens to the prime numbers?

Primes are fraught with a certain strangeness that mathematicians can not understand to this day. That is why the Riemann hypothesis is haunted by the great minds for hundreds of years.

Can computers be even faster?

Today, the iPhone in your hand more powerful than the computer, which was used by NASA in the planning of the flight to the moon. Will the growth in computer performance continue? This is largely dependent on the correctness of the incredibly complex calculations.

We find if we ever cure cancer?

Unfortunately, this disease seems to be built into our genes. Therefore, the longer we live, the more likely to get one of its forms. On the other hand, about 50% of cancers can be prevented. Just do not smoke, do not drink alcohol, eat moderately, to lead a healthy and active lifestyle and avoid excessive sun exposure.




When can we talk to the robots?

Yes, konchno, Siri can tell you a couple of jokes, but we have in mind is a normal conversation, like a man with a man. Although artificial intelligence is constantly evolving, whether SkyNet ever become independent, it is not known.

What is at the bottom of the ocean?

At first glance, the question seems silly, but 95% of the ocean is really completely unexplored. It is said that man is easier fly to the moon than to go down into the deep ocean basin.

What is a "black hole»?

Despite the fact that in this question the theory of relativity and quantum mechanics are in complete impasse, science still needs to combining these two trends, get to the truth and to understand how there are the strangest aspect of our universe.




How long can we live?

Only recently the start of medicine still regarded as a disease of old age, not as inevitable. However, the question is not how to live longer, and how to live longer healthier person?

How to solve the problem of overpopulation?

By 2050, the world population should come close to ten billion. However, so far there are no ideas about how to organize the infrastructure that can provide a normal life so many people.



Is it possible to travel through time?

It is believed that the journey into the future is technically possible (as when moving with great speed is slowing down personal time object subjected to such influence, and from his point of view, it looks like the accelerated movement of the future). But the journey to the past and to this day no way possible.

Why do we yawn?

Although humans and most vertebrates yawn, scientists still can not explain why.

Why is the placebo effect works?

Today is not only controversial principle that the placebo effect works, but also the use of the people of this treatment.

Why nine out of ten people write with his right hand?

Over the 160 years of studying the science principle of dominant hand, while we still can not say why almost all of humanity is the main still right hand.



Why move the stones in the desert?

Some desert rocks the world can really move around for no apparent reason, and even change the direction of their own movement.

More surprising, from monarch butterfly knows where to go

Like the birds, butterflies, monarchs each year overcome great distances. The oddity is that these butterflies do not live more than six months, so none of the butterfly did not make flights twice. So how did they know the way?



Why such a long neck of a giraffe?

There are many theories. The only thing that we know for a long time - they do not use it for food.



As cats murchat?

On this score there are a lot of assumptions, the sound of blood flowing through the vena cava to the work of the laryngeal muscles.



Light - a wave or a particle?

Scientists have concluded that light is something, and more. But as it happens, is still unknown.

Where does gravity?

It is baffling science, perhaps more than any other mystery of our list. The eternal conflict of classical physics and quantum mechanics.

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