A pair of Ukrainian researchers say the mysterious structure is far older than the accepted claim that it was built during the reign of the Pharaoh Khafre between 2558-2532 BC. Manichev Vjacheslav I. and Alexander G. Parkhomenko say evidence of water erosion at the monuments of the Giza Plateau shows the monument was partially flooded.

smithsonian.com Biologists don't call them " the hidden kingdom" for nothing. With an estimated 5 million species, only a mere 100,000 fungi are known to scientists. This kingdom, which includes molds, yeasts, rusts and mushrooms, receives far less attention than plants or animals.