HEATKEYS

Erowid is an online library containing tens of thousands of pages of information about psychoactive drugs, plants, and chemicals, including entheogens, psychedelics, stimulants, depressants and pharmaceuticals. Includes traditional, spiritual, and r...

Open information and discussion board about MDMA (ecstasy) and other drugs.

A natural history newsletter dedicated to interesting biological topics, including unusual and little-known plants and animals.

Poppies.org operates under a harm-reduction philosophy, providing a nonjudgmental community-based atmosphere for frank and open discussions on such topics as Opium Poppy Cultivation and Poppy Tea, Recreational Opiate Use and Abuse, Chronic Pain, User

InTechOpen offers thousands of peer-reviewed free Open Access academic and scholarly articles and research papers. InTechOpen is part of InTech - Open Access Publisher...

The National Criminal Justice Reference Service (NCJRS) is a federally funded resource offering justice, substance abuse, and victim assistance information to support research, policy, and program development worldwide.

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World TrackerWorld Tracker is an Open Source Knowledge Database in visual form. This website is for education purposes only, for anyone who wants to learn without limits. As long the world is still here, you can count on World Tracker to bring the be...