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changed

World

Time just changed forever

For more than 50 years, a group of timekeepers has been quietly sneaking extra seconds onto the world's clocks.

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Science

Scientists changed how zoo lions eat. Their wild side came out

Giving zoo lions whole carcasses on a feast-and-fast schedule appears to bring out more natural behavior. The lions spent nearly three times longer feeding, engaged in more tearing and manipulating of food, and rested more heavily after meals. Their activity then increased gradually during the fasting period, closely resembling the rhythm seen in wild lions.

Style

‘She changed the beauty industry’: how Charlotte Mensah brought black hair into the spotlight

A new exhibition in London celebrates the influential hairstylist whose clients include Janelle Monáe and Zadie Smith. She explains her story – and why she’s on a mission to ensure stylists are trained to work with all hair types When Charlotte Mensah was a young child growing up in Accra, Ghana in the 1970s, she would spend hours watching her aunties having their hair intricately threaded, an ancient African technique where hair is wrapped tightly using yarn or thread. She didn’t know then that she would go on to become one of the most influential hairdressers in the UK. Renowned for champion