Poison hemlock has spread throughout the US. Here's how to kill it. An F-35 stealth fighter flying in Texas sent classified data to an air base 5,000 miles away in Denmark ...

If MacGyver and Survivor Man got together and handed out an award, they might give it to the inventor of this incredible DIY water wheel generator. With some empty plastic bottles, a little wire ...

through the hose and back round the wheel. This means the water is constantly recycled. This could be used to introduce the process of design, and as a prompt for class discussion and learning in ...