We humans
Most US homes are energy vampires — here’s how we need to rethink housing from the ground up
US households use almost twice as much energy as those in Europe and produce nearly one-fifth of America’s energy-related carbon emissions. Here are ways that we can reduce their footprint and live cheaper and cleaner.
Science
Build a giant solar farm in the Sahara and power the world? Here’s how that could hurt the climate instead
Why don’t we turn uninhabited desert expanses, like the Sahara, into places to harvest solar power? Because the effects on our ocean, atmosphere and weather systems could be big and disastrous, say researchers Benjamin Smith and Zhengyao Lu.
Arts + Design
Gallery: See this fascinating apparatus that turns natural forces — like electricity and magnetism — into artists
If Bill Nye, Jackson Pollock and Rube Goldberg ever had a hack week, the end project might resemble “Nature’s Drawings,” a project from scientist/artist Fabian Oefner.