In the mid-20th century, people thought of robots as futuristic tools. But in the 21st century, robots are not a figment of our imaginations, but are a part of our reality. Robots even perform tasks that humans can't do. In this...

Four steps is all it takes to get DNA out of a variety of living things. The requirements include a blender, meat tenderizer, isopropyl alcohol, and a test tube. Sources of DNA include but are not limited to split peas, strawberries,...