Polyethylene shopping bags are a big convenience but they also present a big problem. While they can be recycled, many just get carelessly discarded and end up in the environment not only as an...
Back in the 1930s a flower merchant with a greenhouse full of carnations got worried when the weather forecast called for extremely cold temperatures. So he placed a kerosene burner in the...
To take or not to take, that is the question often asked about vitamin supplements. Some experts suggest that a balanced diet provides all the vitamins we need, while others claim that a daily...
Science can prove danger but it can never prove safety. It is impossible to prove that something cannot happen! Even if not a single person in a study has an adverse reaction, there is always the...
Some commercial varieties of salt have small amounts of sodium ferrocyanide added to prevent the caking (or clumping) that can occur under various conditions. When humidity is high, for example, a...