Qatar Natural History Group

People, Nature, Culture

March Talk -2 : “Screening of the documentary “Toxic Puzzle.The Hunt for the Hidden Killer” and Q&A”


 Richer Environments Consulting in collaboration with the Qatar Natural History Group, are proud to host the screening of Bo Landin’s documentary “Toxic Puzzle. The Hunt for the Hidden Killer” narrated by Harrison Ford, at DESS on Wednesday the 28th of March at 6:30pm.

Toxic Puzzle is a medical and environmental detective story where filmmaker Bo Landin follows ethnobotanist Dr. Paul Alan Cox and over 50 collaborating scientists around the world, including Qatar, on their quest to learn more about how environmental toxins produced by cyanobacteria trigger neurodegenerative diseases such as ALS (Lou Gehrig’s disease), Alzheimer’s and Parkinson’s.
The screening will be followed by a Q&A session with Ecologist Dr. Aspa D. Chatziefthimiou and Neurologist Dr. Basim Uthman of Weill Cornell Medicine Qatar, who spearhead cyanobacterial toxin research in Qatar in collaboration with Dr. Renee Richer and the Brain and Chemistry Labs in the USA.

Donations to support our current and future research projects on these environmental toxins will be accepted on the night of the screening, and/or through e-banking remittances.
For more information please contact

Dr. Aspa D. Chatziefthimiou at
tel: 5516 5426 or
email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Register by filling this form

Event Location and Map

Doha English Speaking School:


Documentary Official Web Site 


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