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.

Air quality during and after wildfires

The wildfires raging throughout California—the Getty fire in Los Angeles and the Kincade fire in Northern California among the most recent ones—have caused great concern about air quality and the safety of being outdoors.

Hurried evacuations as wildfires rage in California

Californian firefighters on Friday battled a fast-moving wildfire north of Los Angeles as further evacuation orders were issued after 40,000 residents were already told to flee their homes.

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