Tyrrany Sets Up Its Own Echo Chamber

I think it was Utz who first convinced me that history is always our guide for the future, and always full of capricious surprises. The future itself is a dead land because it does not yet exist. When a Czech writer wishes to comment on the plight of his country, one way open to him is to use the fifteenth-century Hussite Rebellion as a metaphor. I found in Prague Museum this text describing the Hussites' defeat of the German Knights: ''At midnight, all of a sudden, frightened shouting was he...

 Protecting the Environment as Protecting the Future

If you don’t know how to fix it, please stop breaking it. You grown ups say you love us. Please, take action. And for me,it is absolutely my responsibility to do whatever it takes to protect my child. When the haze gets serious, there is at least one thing we can do. That is to protect yourself and your loved ones. When I drew this little bear on paper, I was reminded of, when my daughter got sick, all my fear of losing her and all my hope of protecting her. I wish that all other mothers in...

 Marijuana Use is Self-Regulating

There is a very nice self-titering aspect to cannabis. Each puff is a very small dose; the time lag between inhaling a puff and sensing its effect is small; and there is no desire for more after the high is there. I think the ratio, R, of the time to sense the dose taken to the time required to take an excessive dose is an important quantity. R is very large for LSD (which I've never taken) and reasonably short for cannabis. Small values of R should be one measure of the safety of psychedelic...