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Study reveals how zebra fish get their stripes

Study reveals how zebra fish get their stripes

Science
Aug. 13 (UPI) -- Every zebra fish begins life as a transparent embryo. Almost all of them end up with stripes. Now, researchers know why. Scientists at Ohio State University developed a mathematical model that describes the organization of the zebra fish's three types of pigment cells. "It's amazing that you have these individual cells that can sort themselves into these reliable patterns," Alexandria Volkening, a postdoctoral fellow at Ohio State's Mathematical Biosciences Institute, said in a news release. "The cells move around on the skin to create stripes. It's like individual birds that know how to flock together and fly in formation." The research, published this week in the journal Nature Communications, suggests the pigment cell sorting process is orchestrated by iridophores. Th...
Demographic formula reveals surprisingly short careers for MLB pitchers

Demographic formula reveals surprisingly short careers for MLB pitchers

Science
Aug. 3 (UPI) -- Until now, statisticians had mostly given up on trying to keep track of the career lengths of pro athletes. However, a group of demographers have developed a surprisingly simple way to calculate the working life expectancies, or "life tables," of baseball pitchers. Researchers used a concept called a cohort change ratio to calculate the fleeting life tables -- 3.99 years on average -- of major league pitchers. "The easiest way to explain a cohort change ratio is with an example," David Swanson, a sociologist and applied demographer at the University of California, Davis, told UPI. "Worldwide, persons born in 2008 are the birth cohort of 2008," Swanson said. "If you divide the number of people worldwide aged 1 in 2009, the persons born in 2008 who have survived one year, b...
Queen's granddaughter Zara Tindall reveals second miscarriage

Queen's granddaughter Zara Tindall reveals second miscarriage

Health
Zara Tindall has spoken about suffering two miscarriages before having her second child.The Queen's granddaughter had announced in 2016 that a pregnancy announced the previous month had ended in a miscarriage.Now she has told the Sunday Times she later suffered another miscarriage before becoming pregnant with her daughter Lena, who was born in June.She said for a time "you don't talk about it because it's too raw"."But as with everything, time's a great healer," she said. Royal Family tree and succession line Who are the youngest royals? The Olympic medal-winning equestrian is married to ex-England rugby captain Mike Tindall. The pair have a four-year-old daughter Mia as well as Lena.Mrs Tindall does not hold a royal title and i...
Comic-Con: Godzilla, Shazam, Fantastic Beasts and other big reveals

Comic-Con: Godzilla, Shazam, Fantastic Beasts and other big reveals

Entertainment
San Diego Comic-Con has become a mecca of popular culture and this year's convention proved no different.The internet has been sent into overdrive as fandoms gorge over glimpses of hotly-anticipated TV and film releases, while also celebrating cult classics.We've already heard about the Buffy reboot and Ryan Reynolds's desire to explore Deadpool's sexuality.Here's a quick run-down of some of the other big stories and trailers to come out of the weekend. 1. Johnny Depp casts a spell as Grindelwald The Fantastic Beasts producers are currently in the process of spinning a 128-page book into five feature-length films.We really could've used that kind of padding for some the essays we wrote at university.Anyway, a very blonde J...
Michael Jackson 'chemically castrated by father with hormone injections' doctor reveals

Michael Jackson 'chemically castrated by father with hormone injections' doctor reveals

Entertainment
Conrad Murray, who was previously convicted of involuntary manslaughter after the death of MJ, has made claims about the music legend's dad.Speaking out following Joe Jackson’s death, the doctor revealed the King of Pop was "chemically castrated" by his father.Revealing all to Mirror Online, he claimed: "Joe Jackson was one of the worst fathers to his children in history."The cruelty expressed by Michael that he experienced at the hand of his father. GETTY FATHER AND SON: Michael admitted to Oprah that Joe had been abusive in the past GETTY RICHEST DECEASED: Michael Jackson was the richest deceased celebrity of 2017 with $ 75 million ...