Winnipeg Free Press

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OVER LASTDA ELD H 1 H H HELD E HELD Y ELD Q ELD U ELD N ELD O ELD X ELD HE HELD U ELD BIRCHWOOD HELD ST ELD $ ELD , LA $ LA / LAS E A R A N A 2 S OVOVOV BRAND OV OV NEW OV Y! BRAND Y! NEW Y! N Y O Y N com Y! HELD LAST DAY! L ONDON - It looked like a burger. It smelled like a burger. It tasted, well, almost like a burger. The first ever lab- grown beef hamburger was cooked and eaten in London on Monday. " We proved it's possible," said scientist Mark Post, who created the cultured minced meat in his lab at Maastricht University in the Netherlands. The scene in Riverside Studios in West London, where the event took place, looked like something you might see on a TV cooking show: There was a fake kitchen counter, a tiny sink, a single burner and a chef, of course. The five- ounce ( 141 gram) burger patty - which cost more than $ 330,000 to produce and was paid for by Google co- founder Sergey Brin - arrived under a silver dome and was promptly put onto a pan to sizzle with a good dab of butter and a splash of sunflower oil. The smells that drifted off toward the public ( a few invited journalists and scientists) were subtle but unmistakably meaty. Next came the tasting. Besides Post, only two people were allowed to have a bite of the test- tube burger: Josh Schonwald, the American author of The Taste of Tomorrow , and Hanni Rutzler, an Austrian nutritional scientist. Both said the burger tasted " almost" like a conventional one. No one spat the meat out; no one cringed. Rutzler gave the chef an appreciative nod. " It's close to meat, but it's not as juicy," she said. " I was expecting the texture to be more soft. The surface was surprisingly crunchy." She added: " I would have said if it was disgusting." Schonwald said the product tasted like " an animal protein cake." Although the burger was a culmination of a five- year research project, it took Post only three months to grow it, using stem cells harvested from a cow's shoulder. " That's faster than ( raising) a cow," he said. Stem cells not only proliferate rapidly but can differentiate into different kinds of cells: muscle cells, bone cells, etc. The type of stem cells that Post used, called satellite cells, are responsible for muscle regeneration after injury. Peter Verstrate, a Dutch food technician who worked with Post on development of the burger and who carried the meat to London by train in a cardboard box filled with dry ice, said people react badly when they hear the words stem cells. But " we don't eat stem cells, we eat muscles," he said. The cells were placed in a bioreactor in a nutrient mixture that helps them proliferate. There they grew into thin, 0.05- centimetre strands of muscle fibre - about 20,000 of those were used to create the burger presented in London. Verstrate said they spent months experimenting how to make lab- grown strands of muscles into an actual burger. " The first time we baked it, in August last year, it was maybe two, three grams, no more. Mark and I tasted it and so did a representative of Mr. Brin." The most challenging part for Verstrate was getting the colour right. " The material was colourless, which was a bit strange. It was more like chicken," he said. So he added a bit of red beet juice and saffron to colour the meat ( which were not apparent in the taste, according to Hanni Rutzler). Post said lab- cultured meat can play an important role in the future: Not only could it help feed the planet, but it could also help solve environmental problems stemming from conventional meat production. " At the global level, if all meat would be lab- grown, the greenhouse- gas emissions could be reduced by 80 per cent, and the water use by 90 per cent," said Hanna Tuomisto, of Oxford University, who researches potential environmental impacts of lab- grown meat. As for nutritional benefits of cultured meat, the jury is still out. - The Washington Post One all- beef - sort of - patty Lab- grown hamburger gets first taste By Mara Zaraska LOS ANGELES - Mount Sharp has beckoned Curiosity since the NASA rover arrived on Mars exactly a year ago. If microbes ever existed on Mars, the mountain represents the best hope for preserving the chemical ingredients fundamental to all living things. Curiosity recently pointed its wheels south, rolling towards the base of Mount Sharp in a journey that will last many months. It will drive across the rock- strewn landscape, dodging bumps and taking in the scenery. " We do a lot of off- roading on a lot of little dirt roads," said mission manager Jennifer Trosper. Scientists have been eager for a peek of Mount Sharp since Curiosity, the size of a small SUV, touched down in an ancient crater near the Martian equator on the night of Aug. 5, 2012. To celebrate the landing anniversary, engineers commanded one of Curiosity's instruments to play Happy Birthday as the rover took a break from driving. Scientists initially hoped to head to Mount Sharp late last year, but decided to take a detour to an intriguing spot near the landing site where three different types of terrain intersected. Curiosity discovered rounded pebbles - clear evidence of an ancient stream bed. - The Associated Press Curiosity celebrates year with road trip DAVID PARRY / THE ASSOCIATED PRESS Chef Richard McGeown cooks up a lab- grown patty in London on Monday. A_ 14_ Aug- 06- 13_ FP_ 01. indd A14 8/ 5/ 13 8: 44: 36 PM ;