6 mysteries even scientists can’t explain

Regardless of many years of advancement, there are a few puzzles even science can't clarify. Here is a look at the top 6 such riddles:

1.    Migration of birds

With the arrival of winters, flying creatures have a tendency to move to regions with milder climate. Science has yet to find how these winged creatures can identify which zones have milder climate.

2.  Living things that can survive without oxygen

Oxygen is an absolute necessity for most living creatures, even microscopic one. Be that as it may, there are sure living creatures (microscopic organisms) that get by without oxygen as well as can even grow without it.

3.  Sixth sense

The intuition isn't only a trick utilized by startling motion pictures. It is a reality that we have a tendency to live by and a few people obviously call it instinct. However, in spite of being so boundless, our forces of instinct have befuddled sciences for a long time.

4.  Ghosts  

Science can't demonstrate that ghosts exist. Truth be told, it considers them to be fantasies of our creative energy. Be that as it may, to those of us who has been spooked by something amid a midnight attack of the refrigerator know not to believe the researchers on this one.

5.  Aliens

There are numerous who case to have seen outsiders from different planets, yet science has yet to discover any confirmation of their presence.

6.   Yawning

There are numerous myths identified with yawning. Some say that you yawn since you are drained. Some say that you yawn in light of the fact that your blood needs oxygen. In any case, the jury of science is still out on this age-old inquiry.