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Recent Archives
Baby Roundup
Flavors tasted as infants influence food preferences later in life, and prenatal nicotine exposure increases adolescent addiction.
Digital Thermometers
How do digital thermometers work? (Sensor’s electrical resistance changes with temperature, or measures infrared heat in ear canal.)
Making Glass
How is glass made? (Heat sand, soda ash, and lime until liquid, cool into non-crystalline solid.)
Rats and Aspirin
Newborn male rats given aspirin show no interest in females when they grow up.
Abrupt Climate Change
The movie, ÔThe Day After Tomorrow’ is wildly exaggerated, but evidence does exist for abrupt climate change.