Five mysteries of the world that science hasn't answered until now

Table of Contents

Why humans dream while sleeping.

There is a theory that dreams are brain activities that sort incoming information during the previous day's activities, and another theory states that dreams are a form of human desire in the subconscious. although many theories have been put forward, until now, no one has been able to confirm why and how humans dream.

Cattle face north/south when eating.

There is a group of scientists who studied thousands of pictures of cows in the world but they found that it turns out that 70% of cows when eating face north or south at the time of eating. well this also makes many theories emerge,

One of which states that cows have a natural compass in their bodies. others suspect that the cow's brain can detect magnetic fields, and other theories state that facing north and south that cows have an evolutionary advantage but none of these theories can prove the truth.

What causes gravity.

If you hear the word gravity, you will definitely remember the name Isaac Newton, well although gravity has been studied since the time of Newton, it turns out that the cause of this natural phenomenon is still unknown to humans.

Scientists can only guess that gravity has a connection to a small massless particle called graphiton. graphiton is what is believed to cause the force of gravity. but all mathematical calculations carried out on graphiton interactions always get incoherent results.

Why the right hand is used more than the left.

There must be some of you who are more dominant using the left hand right. well according to research about 95% of humans in the world are more dominant using the right hand. but this actually raises the question of why this is so, initially scientists suspect there is a gene that determines a person's dominant hand, but until now the gene has not been found,

One study shows that chimpanzees do not have a preference for using certain hands, scientists claim that humans tend to use the right hand since 600,000 years ago. when humans began using tools but why the right hand instead of the left hand, until now no one scientist can answer it.

Where mammals come from.

In explaining the origin of living things in this world, scientists always use the theory of evolution, but it turns out that the theory of evolution cannot explain the origin of mammals, if it is traced to the starting point of evolution,

the first living things emerged from the sea and evolved into reptiles and reptiles are the ancestors of birds, dinosaurs and even mammals. Well from here comes a problem that is difficult to explain, namely the structure of reptiles and mammals that are very different, while reptiles are scaly, cold-blooded and lay eggs, while mammals are warm-blooded and reproduce by giving birth to children, so it can be said that when dinosaurs became extinct 65,000,000 years ago suddenly mammals appeared mysteriously out of nowhere.

Well that's the mystery of the world that has not been answered by science, this article is quoted from the youtube account of anak bandel

Source:https://www.youtube.com/watch?v=66naBPZajRg&pbjreload=101