Peru opens Machu Picchu ruins for a tourist | World News

Trapped in an Indian country during a coronavirus outbreak, Peru opened the ruins of Machu Picchu for a single Japanese tourist after waiting nearly seven months to enter the Inca fortress. Jesse Takayama’s entry into the ruins was trapped on the slopes of the mountains near the site, from mid-March, …

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Tetrahedra can explain the specificity of water

Scientists at the University of Tokyo use a two-state model based on the composition of tetrahedral structures to explain the anomalous properties of water and the surprising fluid-liquid transition of water: Institute of Science, University of Tokyo Researchers at the Institute of Industrial Technology at the University of Tokyo investigated …

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