LILONGWE, August 12 (IPS) - For years, Malawi's electricity supply has been at the mercy of droughts, floods and cyclones that have repeatedly exposed the vulnerability of a power system heavily dependent on hydropower.
Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material called resilin lets them expand or shrink the sacs by changing their pH. Their toughness ...