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Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

Submerged sperm whale off east Sri Lanka coast, mammal

How Did the Sperm Whale Get Its Name?

Agnes with a lamb near her feet. St. Agnes (Saint Agnes) design drawing for stained glass window by J&R Lamb Studios, ink, mount size 10.5 x 14.5 in.

Roman Catholic Saints

Candles Burning On Table In Church

What Is the Most Widely Practiced Religion in the World?

Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration

Timeline of the Space Race, 1957–69

Chinese pictograph, calligraphy tablet of Huang Tingjian, a famous calligrapher in Ancient Song Dynasty. The background of Chinese cultural elements.

The World’s 5 Most Commonly Used Writing Systems

Flags of the countries of the world (flagpoles).

How Many Countries Are There in the World?

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geyser

Learn about this topic in these articles:

geysers

In geyser
…exceeds its boiling point and flashes into steam, forcing more water from the conduit and lowering the pressure further. This chain reaction continues until the geyser exhausts its supply of boiling water.
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