Materials

Researchers have produced a new form of plastic with "unprecedented" mechanical properties that are maintained throughout standard recycling processes, and managed to do so using sugar-derived materials as the starting point.

As useful as steel is, its main weakness may be its vulnerability to corrosion. Researchers in Korea have now developed a new alloy coating that boosts steel’s resistance to rust, by adding a simple extra step in the surface treatment.

It's ironic that even though many people are starving, a great deal of food gets discarded because it spoils before it can be eaten. A new natural-source packaging material could help, by making foods last longer – plus it's biodegradable.

A couple of years ago, Canadian scientists celebrated the Christmas season by creating a microscopic gingerbread house. In that same spirit, Danish researchers have now produced the world's thinnest Christmas tree – and it's made of graphene.

Berkeley Lab engineers have developed a roof coating that can keep a building warmer or cooler, depending on the weather. When it’s warm out the material will reflect sunlight and heat, but it switches itself off in winter, reducing energy use.

When we're hot and sweaty, we prefer cool mesh-like clothing, but otherwise … mesh just doesn't keep us warm enough. A new dual-purpose fabric was designed with that conundrum in mind, as it features cooling vents that open upon absorbing sweat.

An experimental new material could help rehabilitate the injured and allow the nonspeaking to "speak," among other potential uses. It's also highly elastic, electrically conductive and self-healing – and it's known as CareGum.

While copper does kill bacteria on contact, it typically takes at least an hour to do the job thoroughly. Such is not the case with a new type of copper, however, which is said to eradicate almost 100 percent of harmful bacteria in just two minutes.

Engineers at Dartmouth College have developed a new crystal structure that can stretch to twice its size when it encounters a specific chemical. The team says that the material could be used to selectively absorb impurities in water.

Scientists have developed a new type of hydrogel described as "super jelly," with a unique internal structure likened to molecular handcuffs enabling the soft material to be run over by a car without being crushed.

Researchers at Carnegie Science have developed an ultrahard diamond glass. Made entirely of crushed “soccerballs” of carbon, the new material also has high thermal conductivity and could find use in electronics.

Not only are most thermoset resins made from non-renewable sources, but they're also hard to recycle. Scientists have set about addressing those problems, by developing a new lignin-based, thermoset-like material that can be reused several times.