Ibn Yūnus

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Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

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?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

Ibn Yūnus

Egyptian astronomer

Learn about this topic in these articles:

eclipses

In eclipse: Medieval Islamic
…recorded by the Cairo astronomer Ibn Yūnus:
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