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Katharine Murphy

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Where does the special scent of thyme and oregano come from?

Thyme and oregano are not only popular herbs for cooking, but also valuable medicinal plants. Their essential oils contain thymol and carvacrol which impart...

Update noise regulations to protect seals, porpoises

Scientists review recent experiments and find noise regulations may need to be changed to protect porpoises, seals, and other sea-dwelling mammals. Current guidance for...

Climate deniers, you're climate deniers – deal with it.

Myron Ebell bristles at the notion that he is often called a “climate denier.” “It’s meant to be offensive,” he said at an early February...

Daily chart: Why China’s air pollution is on the rise again

OVER the past month, successive waves of thick smog have blanketed northern and central China. With visibility severely reduced, authorities have cancelled flights, shut...