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Black Holes sucks nearly everything that comes in their path, but where does that matter go? Some scientists believe that Black Holes ends up as a White Hole. Once you enter a Black Holes you will come out from the other end in some other universes or far somewhere far away. But it's just a theoretical idea, no scientific proofs.

When Nikola Tesla dies all his research papers & personal documents were seized by the FBI & none of them were shown again. It's believed that he was trying to do something big that would change the world forever, even he planned an anti-gravity rocket. But we don't know what happened to the project. After 50 years of his death, one of his seized documents were made public in which he discussed about the  death ray beam.  We will probably never know what he was actually trying to do.

Here's a list of questions that science couldn't answer yet.  credit: TedEd Why do we dream? How did life begin? Are we alone in the universe? What makes us human? What is consciousness? Is the multiverse theory correct? What is dark matter & what are its properties? What is the purpose of human existence? How the Universe will end? How many species exist on earth? What lies beyond the Universe? How gravity works? What existed before the Big Bang? How does a bicycle stay upright? How & Why do we move forwards in time? Why does space have only three dimensions? Can we get energy from nothing? Is the universe really infinite or just very big? How does the brain generate consciousness? Can we replace damaged brain parts with computational devices? What happens when you die? What are the cures for the world's biggest health problems, like cancer and dementia? Can humans reverse or stop aging? Is there a limit to how smart humans can be? Is biology as universal as chemis

No one for sure can tell what happens at the moment we die, but there are several people with near-death  experience  who can tell  What happens at the moment we die? Ian McCormack  is one of those. While diving for lobster one day on the island of Mauritius was stung on the arm by a box jellyfish. He says that, by the time the ambulance arrived, he felt completely paralyzed and after he made it to the hospital, he was clinically dead for a period of 15 - 20 minutes. Here's how he described his experience, “From the darkness, I began to hear men’s voices screaming at me telling me to ‘shut up’—that I ‘deserved to be there’—-that I was ‘in Hell.’ I couldn’t believe it, but as I stood there a radiant beam of light shone through the darkness and immediately began to lift me upward. I found myself being translated up into an incredibly brilliant beam of pure white light—it seemed to be emanating from a circular opening far above me (I felt like a speck of dust being drawn up into a

In short,  Albert Einstein's brain was different from ours ! Without the contributions of Albert Einstein, our world would be a totally different place. Some of his biggest scientific contributions include, The Brownian motion  which helped us understand the liquids better, The photoelectric effect  which gave us the solar panels, The world's most famous equation  E=mc^2 on which the nuclear bombs are based,& the  Theory of relativity , which helped us understand the deepest mysteries of the Universe. So, what made him so smart to do those wonder & change the world forever?  Here's what made Albert Einstein a Genius? When scientists examined  Einstein's brain deeply , they find out that Einstein's exterior brain was missing a particular wrinkle called a  parietal operculum . So, the size of his parietal lobe was increased by 20%. The parietal lobe is the are of the brain responsible for one's mathematical skills & mental images.