The pirarucu: the giant prized fish of the Amazon

Its white flesh is tender and tasty, it can measure up to three meters long and weigh more than 200 kilograms: meet the pirarucu, one of the world's largest freshwater fish, and native to the Amazon.

Smart cities better defined by new research

Researchers at the University of Birmingham have identified a handful of key elements that define 'smart cities'– cities like Singapore and Copenhagen, which are both at the top of their game in using technology to enable ...

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