Scientists unlock the secrets of a sixth basic flavor

Japanese scientist Kikunae Ikeda first proposed umami as a basic taste—in addition to sweet, sour, salty and bitter—in the early 1900s. About eight decades later, the scientific community officially agreed with him.

Rich nations, China must accelerate race to net zero: IEA

Rich and developing nations alike must sharply improve their net-zero targets, the International Energy Agency said Tuesday, warning that a clean energy surge was the main reason the world's climate goals are still achievable.

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