An astrophysicist tries to explain why, in violation of the laws of thermodynamics, the corona is hotter than the Sun.

As people become more concerned about the environment, a TV channel moves its focus from family dramas and crime thrillers to nature.

Sunlight can be used to treat cancer using a method developed by University of Tokyo researchers. Their method focusses sunlight on the cancer-affected areas using optical fibres. The

It is possible to design buildings that stay cool in summer and warm in winter and save energy. But interest in solar passive architecture is still limited

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