August 2009 Issue: Secrets of the Deep
A new generation of manned subs explores our deepest oceans Features Another League Under the Sea A new generation of manned submersibles will soon open up 98 percent of the world’s oceans to human eyes by diving more than 20,000 feet into the ocean. Fresh energy sources, new species—who knows what we’ll find in Earth’s last unexplored frontier? By Abe Streep The Future of Farming: Solutions for a Hungry World To feed a ballooning population despite shrinking farmland, every acre will have to count. Here’s the tech that will turbocharge harvests, including desert cultivation tricks, bacteria that fertilize crops, and fruit-picking robots. By Hillary Rosner Welcome to Disaster City What the largest search-and-rescue training facility is teaching us about surviving catastrophe. By Lisa Taddeo The Green Dream: A Solar-Powered Boiler Learn from PopSci’s staff photographer as he constructs an eco-friendly and affordable home. This month: solar-powered hot water. By...