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Japanese woman wearing traditional Heian Period costume at the Kumano Kodo Pilgrimage Route, UNESCO World Heritage site in Wakayama prefecture of Japan
Narai-juku, Nagano, Japan historic post town along the Nakasendo historic route at dusk.
Menopause, weight gain. Woman standing on floor scales at home, closeup
Four blocks of the periodic table: s-block, p-block, d-block, f-block. Arrangement of all elements with similar characteristics divided into blocks. Chemistry design isolated on a white background.
The 17-year cicada, Magicicada cassini, emerges in vast numbers in North America every 17 years, often synchronizing their courtship in massive displays. Described in 1852, named after John Cassin.

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