Engineering

PPE can be recycled to make stronger concrete

Engineers at RMIT University have developed a method to use disposable personal protective equipment (PPE) to make concrete stronger, providing an innovative way to significantly reduce pandemic-generated waste.

Business

Uber resumes shared rides in US

Ride-hailing giant Uber has resumed its ride-sharing service in the United States, a top executive announced Tuesday, offering customers in Miami a feature that was stopped last year because of the COVID-19 pandemic.

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