Maca is a cruciferous plant, in the same family as broccoli and cabbage. However, in this case it is the root not the leaves that are eaten. The plant is an unusual one, cultivated only at high...
Magnets are fascinating. Imagine the amazement of the ancient Greeks who discovered that some naturally occurring stones, later named magnetite because they were found in a region of Greece called...
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...