In an effort to restore Andean glaciers to their former color, a Peruvian inventor is breaking out the paint at 15,000 feet.
Eduardo Gold -- who is not a scientist -- is working with a small crew of Peruvian villagers to mix egg whites, lime and water to make an environmentally friendly whitewash, once again giving the Andes a snowcapped look.
'Natural Viagra': Our man tests it against the real thing.
By David Sparrow
Posted 06.19.2002 at 5:31 pm 2 Comments
I have a sex problem—it's called parenthood. I wouldn't trade being a dad for anything in the world, mind you, but 3-year-old son Matthew is 37 pounds of pure energy. A day with him and my wife and I are too drained to, well, get romantic on school nights. So when I heard about maca, a new dietary supplement touted as "nature's Viagra," I had to try it.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.