Cyanobacterial mats have posed a huge problem for coral reef health. Previously, the bacteria covered about 1% of reefs, but that has grown to 20 to 30% in some places.
A survey of maritime infrastructure engineers by University of Rhode Island researchers found that the rising sea level is often not factored into designs of ports, breakwaters, fishing piers and other coastal infrastructure.
Engineers at the University of California San Diego have built a squid-like robot that can swim untethered, propelling itself by generating jets of water.
