Chalmers University

Nobody wants harmful bacteria on objects such as medical implants, yet we also don't want them building up a resistance to antibiotics. Well, help may be on the way, in the form of metal structures that kill the microbes by poking holes in them.

We've recently been hearing about solid state batteries, which have some definite advantages over their conventional counterparts. Although they're still not quite ready for everyday use, a new butter-like substance could help change that.

​When fish are filleted in a seafood-processing plant, or when shrimp and shellfish are boiled, a lot of wastewater is generated. Currently, that water is discarded. An experimental new system, however, is able to draw much of the nutrients from it – and those nutrients could have several uses.