The Nuances of Vaccination

Regardless of the issue at hand, there's a price to pay when we dodge nuances. In recent decades parents have been in the spotlight for refusing to vaccinate their children. In chastising them, we reiterate that they have become suspicious of the "medical establishment" and have been influenced by fiction on the internet. There's no doubt about the role... Continue Reading →

Swimming Pool NCl3: Not Innocuous As Once Assumed

Once used as a refrigerant and still made to produce fertilizer, ammonia (NH3) is also a chemistry teacher’s ally. Mix an ammonium chloride solution with base in a small test tube and as hydroxide accepts H+ from ammonium ion, the liberated ammonia gas can easily awaken a sleepy student. Kidding aside, the odor threshold for... Continue Reading →

My Favorite Nobel Prize and Why a Flower Beats Any Perfume

Capable of detecting faint traces of smoke, the nose can be a life saver.  Sensitive to esters of fruits and flowers, it can be a source of pleasure. Through its associations with the hippocampus, it can serve as a unique gateway to episodic memories. When the brain gathers information through the nose, it does not rely on the electromagnetic spectrum. Like touch and... Continue Reading →

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