麻豆约拍

World Water Week conference in Sweden discusses water and development issues, including problems caused by damming rivers, like the spread of schistosomiasis (bilharzia). A drug that can improve how we learn acts on our brain's reward system. The onset of sunspots and solar activity that could cause geomagnetic storms that could affect communications and power grids on Earth. Plus, how eyes develop, and the physics behind Superman's abilities.