Tag Archives: video

Jared Diamond’s Collapse: How Societies Choose to Fail or Succeed

Jared Diamond

Did you know that great Indian civilizations like Maya and Anasazi went down primarily due to environmental disasters like erosion and aridity? Did you know that the Sumerians in Mesopotamia, such a creative and influential society, collapsed due to the … Continue reading

Posted in Sustainable life | Tagged , | Leave a comment

A pair of peacock bass (Cichla ocellaris) guarding their eggs in Bella Vista, Bolivia (video)

Male peacock bass (Cichla ocellaris) seen from the underwater camera

In January of 2007, I joined a three-week expedition in the Beni region of Bolivia which was organized by the Swiss biologist Robert Guggenb├╝hl. It was rainy season in Bolivia. Water levels had risen 6 meters or more. A pair … Continue reading

Posted in Natural aquariums | Tagged , , , , | 2 Comments

Biotope in my study, a low-tech natural aquarium

Bitope in my study. A low-tech natural aquarium

Like natural garden ponds this aquarium has no filter, no heater, no artificial light, no electrical equipment at all. It is a silent aquarium, a piece of real tranquility. It receives natural sunlight directly from the window. The temperature may … Continue reading

Posted in Natural aquariums | Tagged , , , , , | 29 Comments

Aqua-Fish Fair 2009, Friedrichshafen (video)

Discus with youngs

You may watch below my impressions from the annual AquaFish Fair for aquarium hobbyists in Friedrichshafen, Germany (see Aqua-Fisch Messe Friedrichshafen). My spontaneous narration in Turkish with subtitles in English. Aqua-Fish Fair 2009 March, Part 1 Content in chronological order: … Continue reading

Posted in Natural aquariums | Tagged , , , | 3 Comments