Dan Olweus

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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?

Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet

10 Failed Doomsday Predictions

Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

Statue of Nostradamus

Nostradamus and His Prophecies

Flags of the countries of the world (flagpoles).

How Many Countries Are There in the World?

Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

10 Best Hockey Players of All Time

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Dan Olweus

Norwegian researcher and psychologist

Learn about this topic in these articles:

bullying

In bullying
…by Norwegian researcher and psychologist Dan Olweus says:
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