Solar greenhouses: China's winning solution to global energy crisis Solar greenhouses popular in China. Recycling perlite: New, improved method saves resources Lazy cheap way of recycling perlite in greenhouses works as well as other methods. Neanderthals were nifty at controlling fire, says CU-Boulder-led study Neanderthals had control of fire 400,000 thousand years ago. A new evolutionary history of primates Scientists sequence genes from different primate species to build a map of primate evolution, illustrating what fits where and how. Stanford psychologists design 60-minute exercise that raises GPAs of minority students Minority students do remarkably better in college if they learn that the way they are treated is the same as other people are treated. Otherwise they tend to blame everything on racism, and underperform. Upgrading the vanadium redox battery A simple elegant improvement to energy storage for wind and solar systems. Green sludge can protect groundwater from radioactive contamination – University of Copenhagen Green rust, traps pollutants, even radioactive pollutants. Describing humor with an equation h=m x s. The mathematical equation of humor. I don't think it is exact. Just a rough estimate.