Concrete is pretty useful, which is why it’s the most widely used construction material in the world. Now, engineers have made it even more useful, creating concrete that can conduct electricity and produce heat, by mixing in nanocarbon black.

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Previously, scientists at the National University of Singapore have produced aerogels made from scrapped car tires and pineapple leaves, and now they're showing off a new version that is produced from upcycled metal waste.

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The cement used to make concrete carries quite a carbon footprint. Now, scientists at the University of Tokyo have created a cement-free alternative that directly bonds sand particles together using a reaction between alcohol and a catalyst.

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Plastic is a lot easier to work with than glass, which is one of the reasons it's used so much more often. That may be about to change, though, thanks to a new process that allows glass to be injection-molded – just like plastic.

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Pulp mills generate significant amounts of waste, and we're seeing scientists get quite creative with how it might be put to use. The latest example sees it used as a filler material for cement, which proved to be stronger and more resilient.

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Ordinarily, if you want to build a device that's highly electrically conductive, you have to use rigid metals. Now, however, scientists at Carnegie Mellon University have created a soft and flexible material that fits the bill.

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MIT engineers have found a new use for a common plastic, spinning polyethylene into fabric that can passively cool the wearer by allowing heat through and moisture to evaporate. The discovery could see waste plastic bags being turned into sportswear.

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Graphene has a lot of useful properties, but magnetism isn’t usually one of them. Now, researchers have managed to induce an “artificial magnetic texture” in graphene, which could have major implications for the emerging field of spintronics.

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Along with its use in clothing, silk also shows promise for use in products ranging from surgical sutures to seed coverings. Scientists have recently devised a method of making the material stronger, by altering the diet of silkworms.

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What snowboarder wouldn't like a board that's lighter and more responsive? German scientists have created one that is claimed to deliver on both counts, plus its production process is reportedly less wasteful.

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