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  When we look at a normal leaf, only dark green color is seen.  But Australia's Concetta Antico also sees purple, turquoise and blue colors in this leaf.  Actually antico are tetrachromate, that is, they have the fourth color receptor in the retina of their eyes.  Usually people have only three color receptors in their eyes.  These are called cone cells (cone cells).  They have the ability to separate one million colors. According to scientists, the eyes of tetrachromats are capable of recognizing and distinguishing 100 million colors.  Antico says, 'Since childhood, I felt like I was living in a magical world.  Everything was wonderful for me.  I could see detail in everything.  Whatever I used to see, I used to put it in the painting.' After completing her university studies, she came to San Diego, USA and became an art teacher. Only 1% of the people did not know about this quality till 2012.  One of his neurologist students shar...

  Ottawa:  Canadian Prime Minister Justin Trudeau and his family have left their home in the country's capital and shifted to a secret location after a large-scale protest opposing COVID-19 vaccine mandates converged on Parliament Hill, media reports said on Saturday. What started as a protest dubbed as 'Freedom Convoy' against a vaccine requirement for cross-border truckers has grown into a large demonstration against the Trudeau government's coronavirus regulations. Thousands of truckers and other protesters converged in the Capital city on Saturday to call for an end to COVID-19 vaccine mandates and other public health restrictions, the Canadian Broadcasting Corporation reported. Among the people were some kids with their kids, elderly and disabled people. Some even carried signs with aggressive and obscenity-laced rhetoric directed mostly at the Canadian prime minister, according to The Globe and Mail newspaper. Some of the protesters were seen dancing on the promin...