Eat better, smarter. Grow cleaner, more sustainable food. Great bumper stickers, but how do you do it? PF members offer their solutions on how use science and good practice to feed ourselves more sustainably.
People sometimes don't realize just how much potential energy they possess. One great example concerns exercise, and the failure of gyms and health clubs to harness the energy of their patrons. As health club members use exercise machines such as... Read More
How to solve the world's water crisis: Imagine there is a pipe from the sea discharging as much fresh water as needed. There is no visible explanation as to its source.