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  2. Classical element - Wikipedia

    en.wikipedia.org/wiki/Classical_element

    The ancient Greek concept of four basic elements, these being earth (γῆ gê), water (ὕδωρ hýdōr), air (ἀήρ aḗr), and fire (πῦρ pŷr), dates from pre-Socratic times and persisted throughout the Middle Ages and into the Early modern period, deeply influencing European thought and culture.

  3. Sacred waters - Wikipedia

    en.wikipedia.org/wiki/Sacred_waters

    The Navajo and Hopi people have long embraced the water underneath and around the Black Mesa area as sacred to their people. The people have long lived around and became dependent on springs and wells of the Black Mesa. These waters are the only source of drinking water, water for livestock, and water for agriculture for the Navajo and Hopi people.

  4. Traditional water sources of Persian antiquity - Wikipedia

    en.wikipedia.org/wiki/Traditional_water_sources...

    This book mentions many qanats running at that time and irrigating a considerable area of farmland. At the same time, another book, entitled Jame’ al-Kheyrat, was written by Seyyed Rokn al-Din on the same subject as Rashid's book. In this book, Seyyed Rokn al-Din names the properties he donated in the region of Yazd.

  5. Ancient crystals reveal the earliest evidence of fresh water ...

    www.aol.com/ancient-crystals-reveal-earliest...

    A new analysis of ancient grains of crystal embedded in rock from the Australian outback suggests Earth had dry land and fresh water some 4 billion years ago — a time when scientists had thought ...

  6. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The Ancient Greeks of Athens and Asia Minor also used an indoor plumbing system, used for pressurized showers. [29] The Greek inventor Heron used pressurized piping for fire fighting purposes in the City of Alexandria. [30] An inverted siphon system, along with glass covered clay pipes, was used for the first time in the palaces of Crete, Greece.

  7. The water affected one-third of the library collections including periodicals, newspapers, fine prints, maps, posters, and the Magliabechi and Palatine rare-book collections. [23] The flood broke the tradition of maintaining proprietary trade secrets and conservation treatments as the disaster necessitated the collaboration of the world's most ...

  8. Earth and water - Wikipedia

    en.wikipedia.org/wiki/Earth_and_water

    In Book 5, it is reported that Darius sent heralds demanding earth and water from king Amyntas I of Macedon, which he accepted. [2] It was also requested of the Athenian embassy to Artaphernes in 507 BC, which complied. [3] In the 6th book, Darius sent heralds throughout Greece demanding earth and water for the king (Hdt. 6.48). [4]

  9. History of salt - Wikipedia

    en.wikipedia.org/wiki/History_of_salt

    Hippocrates encouraged his fellow healers to use salt water to heal various ailments by immersing their patients in sea water. The ancient Greeks continued this, and in 1753, English author and physician Richard Russell published The Uses of Sea Water in which he declared that salt was a "common defence against the corruption of…bodies" and ...