A key segment of the US Treasury yield curve approached its most inverted level in decades Monday as

Conor McGregor has paid tribute to his ‘friend’ Sinead O’Connor, following the singer’s death at the age of 56. O’Connor’s passing was confirmed in a statement by her family on Wednesday (26 July), though no cause of death was disclosed. The Dublin-born musician’s death comes just 18 months after her son Shane, 17, committed suicide. O’Connor, most famous for her cover of Prince’s “Nothing Compares 2 U” (released in 1990), sang during McGregor’s walkout at UFC 189 in July 2015, and her compatriot paid tribute on Wednesday. “The world has lost an artist with the voice of an Angel,” McGregor wrote on Twitter. “Ireland has lost an iconic voice and one of our absolute finest, by a long shot. And I have lost a friend. “Sinead’s music will live on and continue to inspire! Rest In Peace, Sinead you are home with your son I am sure.” O’Connor sang “The Foggy Dew” at the MGM Grand Arena in Las Vegas as McGregor walked to the Octagon to face Chad Mendes. McGregor knocked out the American in the second round to win the interim UFC featherweight title. The Irishman’s entrance that night (which you can watch below) is widely considered to be the most iconic walkout in UFC history. McGregor, 35, would go on to become undisputed featherweight champion later in 2015, before becoming the UFC’s first ever dual-weight champion by winning the lightweight title in 2016. O’Connor changed her name to Shuhada’ Sadaqat in 2018 after converting to Islam, but she continued to perform under her birth name. Click here to subscribe to The Independent’s Sport YouTube channel for all the latest sports videos. Read More ‘It isn’t good’: Sinead O’Connor’s heartbreaking final video just days before her tragic death Michael Bisping: ‘The challenge of coming back to grapple appeals to me’ UFC 291 live stream: How to watch Poirier vs Gaethje online and on TV this weekend

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Blue light emitted from the screens of phones, tablets and televisions could induce puberty early, a study has found. In the modern day, children are raised with devices all around them, with many having a phone or tablet to keep them entertained from a young age. But, researchers in Turkey have discovered that it exposure to the blue light such devices give off could speed up the onset of puberty. Teams from the Gazi University and Bilkent City Hospital in Ankara revealed how they saw the effect in male rats, which could suggest a link between device screens and early childhood development. Their findings were presented at the 61st Annual European Society for Paediatric Endocrinology Meeting in The Hague and published in the Frontiers in Endocrinology journal. The study emulates the same findings that were observed in female rats, where early puberty was seen. Lead researcher Dr. Aylin Kılınç Uğurlu, of Bikent City Hospital, said: “For the first time, we found a direct relationship between blue light exposure and early puberty in male rats.” They continued: “Our findings align with our previous work on female rats, which also showed similar effects, thereby providing a more comprehensive view of how blue light may influence puberty in both male and female rats.” As part of the study, 18 male rats, all 21 days old, were split into three groups. Two of the groups were assigned either six or 12 hours of blue light exposure per day. The last group was a control and was not exposed to any blue light from screens. Results showed that the rats with exposure to blue light experienced signs of puberty “significantly earlier” compared with the control group. Uğurlu noted in a news report: “I want to emphasise that this is a rat study and direct results cannot be interpreted for humans. “However, we provide an experimental foundation to further investigate the health consequences of ever-increasing screen time in modern society.” Researchers hope to continue their study on the effects of blue light on rats to “understand its long-term effects on reproductive organ damage and fertility”. Uğurlu continued: “Ultimately, this research could lead to preventative measures and contribute to the ongoing discourse on how modern lifestyles affect physiological development and long-term health.” Sign up to our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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