Martin Luther University

As aviation regulators around the world work with the likes of Amazon and DHL to clear a legal pathway for drone delivery services to begin, a new study shows that the high energy cost of drones could make them worse for the environment than vans.

Gum disease is a very common condition, and it's usually caused by bacteria. Although orally-administered antibiotics are typically used to treat severe cases, a new treatment could be much more effective – with fewer side effects.

If the goose that laid the golden egg had a real-life counterpart, it would be C. metallidurans. This bacterium consumes toxic metals and excretes tiny gold nuggets, but how and why has never been fully understood. Now researchers have peered inside the microorganism and figured out that mechanism.

​Those little containers of coffee cream may not look significant on their own, but when you consider how many of them are discarded every day … it adds up to a lot of waste. That's why a PhD student created milk-and-sugar capsules that dissolve completely when placed in hot liquid.