Dreaded Chemistry Lesson From Hell

China is 'seeding' clouds to increase rainfall and fight a severe drought. Will it work? A large body of research shows that soda taxes are ineffective, so why do public health experts continue to endorse them? Finally, has climate change increased the number of heart attacks we suffer? No.
Some of you screwballs out there have been complaining that I'm not giving enough chemistry lessons. Be careful what you ask for. Here are a chemistry AND a biochemistry lesson about aspirin and heroin. Don't blame me. Consumer demand rules.
Welcome to the 15th Dreaded Chemistry Lesson From Hell. This time you will be (mis)treated to a plethora of knowledge about bismuth - information so critical that it would be hard to imagine surviving the day without it. And reader comments from Joe, the ball bearing salesman, and Candy, a decertified yoga instructor. Could there be a better way to start your day?