Climbers to pay $13 fee on popular Mount Fuji trail

Hikers using the most popular route to climb Japan's Mount Fuji will be charged $13 each from July, with numbers capped to ease congestion and improve safety, a regional official said Tuesday.

Chemical etching method opens pores for fuel cells and more

A chemical etching method for widening the pores of metal-organic frameworks (MOFs) could improve various applications of MOFs, including in fuel cells and as catalysts. Researchers at Nagoya University in Japan and East ...

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