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What materials did Leonardo Da Vinci use to create such vivid and perfect faces? For the first time, quantitative analysis was carried out on 7 paintings displayed at the Louvre

As people approach death, the number of electrical impulses in the brain skyrocketed and that could be the cause of strange dreams to appear.

Sharks can smell the smell of a drop of blood falling into the ocean 500m away or distinguish a drop of blood from a million drops of sea water ...