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Day: August 10, 2016

Hot tub wiring issue ignited massive California wildfire last year

A hot tub’s faulty wiring ignited one of California’s most destructive wildfires, a blaze that killed four people, sent four firefighters to the hospital and destroyed more than 1,300 homes last year, officials said Wednesday. The California Department of Forestry and Fire Protection released a detailed report into the cause of the 310-square-kilometre wildfire that […]

Menopause mystery

Image copyright Jane Cogan The menopause is a puzzle for biologists. Why would the female of a species cease to reproduce half way through her life, when natural selection favours characteristics that help an individual’s genes survive? A study of killer whales – one of only two mammals apart from humans to undergo the menopause […]

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