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Ancent Peruvian microbrewery, sour ale helps explain longevity of the Wari empire

Ancent Peruvian microbrewery, sour ale helps explain longevity of the Wari empire

Science
April 19 (UPI) -- The study of an ancient microbrewery in Peru and its supply of a sour beer has provided scientists new insights into the stability of the Wari empire. For several years, researchers have been studying the remains of a brewing site at Cerro Baúl, an ancient city in southern Peru and the political center of the Wari empire, which lasted from 600 to 1100 AD -- a long time for an ancient dynasty. According to archaeologists, the brewing site played an important role in the development the empire's political organization. "It was like a microbrewery in some respects. It was a production house, but the brewhouses and taverns would have been right next door," Ryan Williams, an associate curator and head of anthropology at the Field Museum in Chicago, said in a news release. W
Psychological intervention helps patients prevent gum disease

Psychological intervention helps patients prevent gum disease

Health
April 19 (UPI) -- Researchers observed a reduction in dental plaque and bleeding, as well as an increase in dental cleanings among adults with moderate periodontal disease, according to research published in April in Journal of Periodontology. "Our study shows that by adopting a simple psychological intervention, aided by the use of an online risk assessment tool, we can significantly improve measurable clinical outcomes and reduce initial signs of gum disease in patient seen routinely general dental practice," Koula Asimakopoulou, a researcher at King's College and study lead author, in a news release. Researchers registered 97 adults with moderate peridontal disease in a program at King's College London, offering them either usual dental treatment, treatment and a report on their disea...
Liverpool 2-1 Tottenham Hotspur: Firmino header helps Reds reclaim top spot

Liverpool 2-1 Tottenham Hotspur: Firmino header helps Reds reclaim top spot

Sports
Toby Alderweireld's late own goal gave Liverpool a priceless victory and put them back on top of the Premier League.Visitors Tottenham looked on course to earn a point - and even wasted chances to go in front - after Lucas Moura deservedly equalised Roberto Firmino's first-half header for the home side.Liverpool were on the brink of losing ground to Manchester City - 2-0 winners at Fulham on Saturday - until the title race took another dramatic twist in the closing moments in front of the Kop. Spurs keeper Hugo Lloris failed to hold Mohamed Salah's routine far-post header and the ball ricocheted into the net off Alderweireld.It was sheer elation for Liverpool, who are now two points clear of ...
Mowing milkweed fields helps monarch butterflies

Mowing milkweed fields helps monarch butterflies

Science
March 12 (UPI) -- Monarch butterflies face a number of threats, but lawnmowers aren't one of them. According to a new study, freshly mowed fields can actually benefit monarch butterflies. According to a new study, published this week in the journal Biological Conservation, monarchs lay more eggs on young milkweed. During their larval stage, butterflies only eat milkweed. "Monarch butterflies scout young milkweed to lay their eggs," Nate Haan, postdoctoral research associate in entomology at Michigan State University, said in a news release. "And in terms of a food source, milkweed is more like spinach when it's young and comparable to cardboard as it ages." Because fewer predators visit milkweed when its young and without flowers, the butterflies are more likely to survive their larval s...
Freshman QB Lawrence helps Clemson dominate Alabama for CFP national title

Freshman QB Lawrence helps Clemson dominate Alabama for CFP national title

Sports
Jan. 7 (UPI) -- Freshman Trevor Lawrence passed all over the Alabama defense, leading Clemson to a College Football Playoff national title on Monday in Santa Clara, Calif. Clemson went up big on Alabama in the first half and never looked back in a dominating 44-16 win at Levi's Stadium. The No. 2 Tigers have now won two of the last three national championships. "Going through the season, everyone is laying it on the line for each other," Lawrence said. "It makes it easier when everyone out there is giving 100 percent. It makes you want to go hard for sure." Lawrence completed 20-of-32 passes for 347 yards and three touchdowns in the thrashing of the defending national champions. Clemson (15-0) jumped the Crimson Tide (14-1) from the opening whistle. Sophomore cornerback A.J. Terrell pick...