Related topics: health care · health care costs

Humidity may be the key to super-lubricity 'switch'

Sometimes friction is good, such as the friction between a road and a car's tires to prevent the vehicle from skidding. But sometimes friction is bad—if you did not put oil in that very same car, there would be so much ...

Energy crisis: The five challenges for 2023

How will the map of global energy change? Will sky-high energy prices boost renewables? How will the industrial landscape shift? What will the lasting economic impacts be? How will the energy crisis affect climate action? ...

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