Recent news articles show how engineers and inventors are helping mankind by imitating what plants, cells and animals do every day. A new kind of vaccine based on spider silk (Science Daily). Because spider silk is tough and yet biodegradable, it can be used as a delivery capsule for vaccines that might otherwise be resisted […]
Geophysicists are still puzzling over how the earth's magnetic field and Van Allen radiation belts protect the surface from deadly particles in the solar wind.