Urbanization is amplifying pollen-related allergies as grasslands and soft soil give way to concrete and asphalt.
JAPAN / Science & Health
Mar 14, 2025
As pollen season peaks, Japan's allergy struggle emerges from hibernation
In Tokyo and Sendai, high cedar pollen levels will persist into late March, followed by cypress pollen peaking from late March to early April.
People in Japan appeared to have the smallest difference between the amount of sleep they get on weekdays and weekends, suggesting the lowest incidence of social jet lag.
JAPAN / Science & Health
Mar 14, 2025
People in Japan get the least sleep, Pokemon study finds
Does that make Japan the land of the never-setting sun?
A construction site in Tokyo in July 2018. Businesses failing to take measures to prevent severe heatstroke among employees will be subjected to criminal punishment from June.
JAPAN / Science & Health
Mar 13, 2025
Japan to get tough on businesses not taking heatstroke countermeasures
Violators will be punishable with up to six months' imprisonment or a maximum fine of ¥500,000 ($3,380).
Naohisa Hoshikawa, chief executive officer and founder of Ookuma Diamond Device, in Sapporo in February. Hoshikawa says the potential of diamond semiconductors goes beyond decommissioning work, likening them to the U.S. Apollo manned lunar landing program, which gave birth to technological innovations affecting everyday life.
JAPAN / Science & Health
Mar 12, 2025
Diamond chips could be key to decommissioning of Fukushima nuclear plant
Made with artificial diamonds, such chips are regarded as the "ultimate semiconductors" — they can withstand high levels of radiation as well as high voltages and temperatures.
Oto, Japan's oldest lion, died Monday at Toyohashi Zoo & Botanical Park in Toyohashi, Aichi Prefecture.
JAPAN / Science & Health
Mar 10, 2025
Oto, Japan’s oldest lion, dies at 25 — equivalent to 100 human years
Born in 1999 at Asahiyama Zoo in the city of Asahikawa, Hokkaido, Oto had been at Aichi Prefecture's Toyohashi Zoo & Botanical Park since 2001.
Obstetrician and gynecologist Song Mihyon
JAPAN / Science & Health
Mar 7, 2025
Doctor urges awareness of a birth control pill covered by health insurance
“I think doctors need to tell their patients that a birth control pill covered by health insurance exists,” Song Mihyon said.
Wealthier women in the prewar era had been the targets of various media-related health campaigns that mistakenly encouraged them to avoid everything from riding bicycles to reading novels when their monthly cycles came around.
JAPAN / Science & Health / Longform
Mar 7, 2025
Menstruation in Japan: Breaking the silence, slowly
Despite longstanding taboos, evolving attitudes toward women's health highlight shifting cultural norms.

Longform

The sun shines from behind a waving Philippine flag at the Manila American Cemetery and Memorial.
Eighty years after the Battle of Manila, old foes forge new ties