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Electronics that can't be easily dismantled for recycling aren't very eco-friendly, nor are petroleum-based adhesives. Scientists have set about addressing both issues, by developing a switchable adhesive made mainly of rose oil.

Industrial pipes carrying water or chemicals invariably get gunked up as deposits accumulate on their internal surfaces. That slows flow, and slowly damages the equipment, leading to the need for periodic maintenance and higher operational costs.

Concrete is the world's most manufactured item, with more than 25 billion tons used in construction each year. It's also responsible for consuming vast quantities of non-renewable resources, and spewing out 8% of all greenhouse gas emissions annually ...

Although we've heard a lot about how 3D-printing concrete homes speeds up the construction process, you still have to wait up to 28 days for the concrete to sufficiently cure. A new printable substitute, however, is ready to go in just three days.

A bunch of materials called rare earth elements (REE) that are crucial for producing a vast range of tech products - from electric cars to smartphones to wind turbines - typically require destructive mining and processing practices to get them out of ...