Curbing air pollution

Today, on World Environment Day, we are encouraged to consider the theme for 2019—air pollution—and its effects on the global human population. We are told of the impacts of breathing in polluted, urban air and we hear ...

Food industry waste becomes profitable biogas

Huge gains can be made by using waste from the food industry for biogas production, no matter whether the biogas is used in vehicles or to produce electricity and heat. This is the conclusion of researchers from the Biogas ...

For gait transitions, stability often trumps energy savings

A dog's gait, according to the American Kennel Club, is "the pattern of footsteps at various rates of speed, each distinguished by a particular rhythm and footfall." When dogs trot, for example, the right front leg and the ...

Study finds flaw in emergent gravity

In recent years, some physicists have been investigating the possibility that gravity is not actually a fundamental force, but rather an emergent phenomenon that arises from the collective motion of small bits of information ...

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