Climate change to produce more rainbows, study finds

Climate change will increase opportunities to see rainbows, according to a new study led by researchers at the University of Hawai'i (UH) at Mānoa. The study's authors estimate that by 2100, the average land location on ...

Volunteering for cranial surgery in medieval Italy

Sometime in the period from the 6th to the 8th century, a woman willingly underwent surgery to scrape a hole into the top of her skull. The procedure must have gone well, at least well enough for her to survive and to try ...

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