Science is always trying to do something new with intellectual and realistic activity covering the systematic study of the structure and behavior of the substantial and natural world through inspection and research. But the most surprising matter is that there are some terms that the science can’t solve.

1. Reason of sleeping:
Every creature on the earth needs a rest by having sleep. In this case science doesn’t have any suspicion. We have a lot of explanations for the reasons of sleeping. But there are some scientists who do not agree on it. It is said that it cleans the brain after a day long learning. Scientists find that when rats were asleep, the equal neurons blazed as they run a network that day. From that Harvard sleep researchers comes to the decision that sleep is essential for humans to increase memories and to learn.
But the both assumptions have some problems. Plants and microorganisms don’t have brains. But they have dormant state. This increase the doubt of the “sleep is good for the health” theory. There’s even a man who hasn’t slept for 33 years.

Sleeping

Sleeping

2. Number of Planets in Our Solar System:
Till now eight planets and one sun is the current invention of science. The gigantic majority of solar system is still unexplored and unknown. Scientists are trying to find out the new purpose by the hundreds and thousands. the most surprising thing is some astronomers assume that there could be a second sun. where the sunlight could not reach, we are blind there. Such as Tyche, a huge gas ball is too far from the sunlight.

Planets

Planets

3. Why Ice is slippery:
For this question the scientists always reply that the ice is slippery because it is water. Without it they won’t be able to give any accurate explanation on it.

Ice Berg

Ice Berg

4. Working process of a Bicycle:
A Bicycle is made with two wheels, a frame to join them and a handlebar for steering. When the question arise that how a bicycle works many scientists and researchers give some fancy icing replies. Some scientists assumed that the gyroscopic effect(the force that keeps a spinning top from falling over) was the reason for how a bike balances. But In 70’s a scientist prove that assumption false. Then the scientists assumed that the key issue for a bike’s stability is the caster effect, or trail (something to do with the front wheel’s angle away from the frame). But in that year, top bikeologists from Cornell and other universities prove that theory false again. Still now it is a thing of asking questions.

Bicycle

Bicycle

5. Existing Numbers of Species of Animals:
Estimation from 19th century taxonomists said that there were about 400,000 species on Earth. But we have already discovered five times that many. So there was some faulty sciencing involved there. In fact, in the most recent estimation claims that there’s less than 10 million species. The research on species takes place mostly in the northern hemisphere. It remains more scientifically advanced than the southern, so it’s very likely that places like Australia have yet to show us the complete horror of their fauna.

Animals

Animals

6. Working process of Gravity:
There are four basic forces that hold the universe, and from these four, gravity is the only one that doesn’t make any sense. It can be extremely weak and incredibly strong at the same time. Gravity holds the whole universe together, and it never completely fades away. But it is the weakest force in existence. All these other forces are controlled by their own particles. Gravity should have its own particles, too. But this hypothetical critter, the graviton, unlike the particles that act as a go-between a lot of the other important forces in nature, which have been altogether more supportive. But the thing is that, once you get down to the level of atoms and molecules and smaller substance, gravity stops working. In fact, gravity is one of the principal why quantum physicists and real-world physicists have nothing to say to each other.

Gravity

Gravity

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