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Fish fossils show how fins became limbs

Fish fossils show how fins became limbs

Science
Dec. 31 (UPI) -- Before early marine species could make the transition to land, they had to develop tools for getting around out of the water. They needed limbs. Now, thanks to the discovery and study of an ancient fish fossil, scientists are beginning to understand how fins became limbs. Using CT scans, paleontologists at the University of Chicago created digital 3D models of the fin of the fishapod species Tiktaalik roseae. Researchers described their efforts in a new paper published this week in the journal PNAS. The study of the evolution of limbs during the Devonian period, some 375 million years ago, has mostly focused on the development of upper arm, forearm, wrist and digits -- knowledge gleaned from the study of ancient endoskeletons, the structure formed by bones and cartilage....
Meet the former prosecutor asked to investigate bitcoin who became the face of crypto VC investing

Meet the former prosecutor asked to investigate bitcoin who became the face of crypto VC investing

Finance
Katie Haun, Andreessen Horowitz general partner.Source: Andreessen HorowitzSeven years ago, bitcoin was a foreign language to federal prosecutor Katie Haun. That changed when her boss at the U.S. attorney's office asked her to look into shutting it down.What's now the most widely used cryptocurrency was a niche payment method being used in the depths of the internet, in many cases being used to buy illegal goods on black markets. But Haun quickly decided the currency itself wasn't what needed probing."It would have been akin to saying 'let's go prosecute cash,'" Haun said.Instead, her department prosecuted multiple cases where bitcoin was being used for extortion and white collar crime. In some cases, the technology behind bitcoin, known as blockchain, actually helped the department solve ...
From Rylan to Alison Hammond: The reality stars who became TV presenters

From Rylan to Alison Hammond: The reality stars who became TV presenters

Entertainment
Several Love Island contestants have now secured TV presenting gigs since leaving the villa. But why do some reality and talent show contestants succeed as presenters when so many others fail? Nobody who watched Love Island this year is going to forget Maura Higgins in a hurry.Whether it's for her sense of humour, her accent, her "flutters" or her larger-than-life personality - she was undeniable dynamite on screen.Which is perhaps why she's been signed up for a role on This Morning, presenting a segment called "Maura Than Meets The Eye" (brilliant) which will see her taking on a series of challenges around the country as well as fronting her own phone-in.Her fellow Islander Ovie Soko hosted a cooking segment with Ruth Langsford on This Morning last week,...
How Chernobyl quietly became a huge TV hit

How Chernobyl quietly became a huge TV hit

Entertainment
Without fanfare, Chernobyl has become unmissable TV.The Sky Atlantic show, which concludes on Tuesday, is harrowing and unrelentingly bleak, with some complicated science to get to grips with.It is also a western-made drama about a disaster that occurred in the Soviet Union more than 30 years ago, of which details such as the number of deaths are still debated. There was much that could go wrong.And ultimately, we know how the story pans out. But seemingly from nowhere, this five-part mini-series is now the show that everyone is talking about. (Sorry, Game Of Thrones).After just three episodes, Chernobyl topped film and TV database IMDB's list of the greatest 250 TV shows of all time. It currently has a score of 9.7, based on more than 96,000 votes. Fan-voted charts obviously have thei...
Tiny T-Rex discovery shows how it became king of the dinosaurs

Tiny T-Rex discovery shows how it became king of the dinosaurs

Technology
A newly discovered species of dinosaur was a tiny relative of Tyrannosaurus rex and has thrown light on how the reptile came to dominate the ancient North American food chain.Named Moros intrepidus, the species is believed to have lived 96 million years ago in what is now Utah. Back then, Utah was a lush delta, and Moros, while not the beast that the T-Rex would be, was already a fearsome predator, according to a paper published in the journal Communications Biology.Tyrannosaurus dinosaurs were the most powerful animals on the planet for 15 million years.They could bite with enough force to crush bone, had stereoscopic vision, and were able to grow rapidly to an enormous size. "But it wasn't always that way," said Dr Lindsay Zanno, a palaeontologist at North Carolina State Unive...