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Ancient DNA reveals genetic history of China
An analysis of 26 newly sequenced ancient genomes from across China helps to fill crucial gaps in the poorly known genetic history of East Asia, including to reveal one major episode of admixture. (2020-05-14)

UC anthropologist rewrites history using science, art
University of Cincinnati anthropology and University of Bordeaux medical science reveal ancient thyroid disease using science and art (2018-10-03)

UCF researcher uncovers protein that could stop replication of cancer cells
University of Central Florida Molecular Biology and Microbiology professor Mark Muller has found that the protein, called MKRN1, promotes the destruction of an enzyme called telomerase that enables rapid duplication of cells. (2005-04-19)

T. rex had teen pregnancies
Dinosaurs had pregnancies as early as age 8, far before they reached their maximum adult size, a new study finds. Researchers at Ohio University and University of California at Berkeley have found medullary bone -- the same tissue that allows birds to develop eggshells -- in two new dinosaur specimens: the meat-eater Allosaurus and the plant-eater Tenontosaurus. It's also been found in Tyrannosaurus rex. (2008-01-14)

Spouses as campaign surrogates
Spouses of presidential candidates are employed in campaigns more strategically and intensively than ever before. New research by political scientists concludes that the ability of presidential and vice-presidential candidates' spouses to act as campaign surrogates may contribute to the successes and failures on the campaign trail. (2008-04-23)

Death-inducing proteins key to complications of bone marrow transplantation
Treatment for a number of cancers and other medical conditions is transplantation with bone marrow from a genetically nonidentical individual. Researchers have now identified several molecules involved in a process that contributes to two medical complications that occur in patients following allo-BMT, susceptibility to infections and recurrence of cancers. Some of these molecules might prove good drug targets to improve outcome following allo-BMT. (2009-12-01)

Public walking trails may increase community fitness levels
When communities build walking trails, new evidence suggests that people may exercise more. (2000-03-15)

From chaos to order: How ants optimize food search
Ants are capable of complex problem-solving strategies that could be widely applied as optimization techniques. An individual ant searching for food walks in random ways. Yet the collective foraging behavior of ants goes well beyond that, a mathematical study reveals: The animal movements at a certain point change from chaos to order. This happens in a self-organized way. Understanding the ants could help analyze similar phenomena -- for instance how humans roam in the internet. (2014-05-26)

DNA adds twist to ancient story of a Native American group
The American Journal of Human Genetics published the findings, which draw from the first population-level nuclear DNA analysis of a Native American group from ancient to modern times. (2018-04-30)

UToledo research links fracking to higher radon levels in Ohio homes
A new study at The University of Toledo connects the proximity of fracking to higher household concentrations of radon gas, the second leading cause of lung cancer in the US. (2019-06-18)

Penn researchers find targeted therapy combination overcomes treatment resistance in liver cancer
Researchers at the University of Pennsylvania School of Medicine and Abramson Cancer Center reported today at the annual meeting of the American Association for Cancer Research that combining two targeted therapies overcomes treatment resistance in liver cancer cell lines. (2008-04-13)

Ancient Inca road in desperate need of protection
A preliminary study of the ancient highland road that linked the Inca Empire from southern Colombia to Central Chile, found that only 5 percent of the 8,500 km route is under some form of protection, and large sections of it have been lost entirely. (2003-09-13)

An Italian cemetery may provide clues on cholera's evolution
A team of archaeologists and other researchers hope that an ancient graveyard in Italy can yield clues about the deadly bacterium that causes cholera. (2015-02-15)

Ancient technology for metal coatings 2,000 years ago can't be matched even today
Artists and craftsmen more than 2,000 years ago developed thin-film coating technology unrivaled even by today's standards for producing DVDs, solar cells, electronic devices and other products. Understanding these sophisticated metal-plating techniques from ancient times, described in the ACS journal Accounts of Chemical Research, could help preserve priceless artistic and other treasures from the past. (2013-07-24)

Mixing science and politicsĀ 
The inaugural March for Science, held last year in Washington, D.C., and other cities across the world, celebrated science and its role in our everyday lives. In addition, many participants expressed frustration with U.S. President Donald J. Trump's apparent disregard for evidence-based policy-making. An article in Chemical & Engineering News (C&EN), the weekly news magazine of the American Chemical Society, reports that these concerns galvanized some scientists to run for political office. (2018-05-30)

Study: Predatory dinosaurs had bird-like pulmonary system
What could the fierce dinosaur T. rex and a modern songbird such as the sparrow possibly have in common? Their pulmonary systems may have been more similar than scientists previously thought, according to new research from Ohio University and Harvard University. (2005-07-13)

Wind farms: A danger to ultra-light aircraft?
Airfields for ultra-light aircraft are typically constructed on level ground -- and so are wind farms. However, do wind power plants generate turbulence that could endanger lightweight planes? A simulation can compute how these power plants influence aircraft at various wind speeds and wind directions. (2012-08-13)

Researchers disguise drugs as platelets to target cancer
Researchers have for the first time developed a technique that coats anticancer drugs in membranes made from a patient's own platelets, allowing the drugs to last longer in the body and attack both primary cancer tumors and the circulating tumor cells that can cause a cancer to metastasize. The work was tested successfully in an animal model. (2015-09-29)

Trail of black holes and neutron stars points to ancient collision
A NASA Chandra X-ray Observatory image of the elliptical galaxy NGC 4261 has revealed a trail of black holes and neutron stars stretching more than fifty thousand light years across space. This spectacular structure is thought to represent the aftermath of the destruction of a smaller galaxy that was pulled apart by gravitational tidal forces as it fell into NGC 4261. (2003-12-08)

Grant to fund exploration of fossil plants in Patagonia
Dinosaurs may be the focus of much Cretaceous fossil hunting, but a Penn State researcher and his colleagues are hot on the trail of fossil plants in Patagonia, Argentina, thanks to a $1.57 million grant from the National Science Foundation as part of the American Recovery and Reinvestment Act. (2009-10-28)

Paleontologists discover new species of sauropod dinosaur in Tanzania
Paleontologists have identified a new species of titanosaurian dinosaur. The research is reported in a paper published this week in the Journal of Vertebrate Paleontology and is funded by the National Science Foundation (NSF). (2017-08-25)

Cornell engineers develop 'killer cells' to destroy cancer in lymph nodes
Cornell biomedical engineers have developed specialized white blood cells -- dubbed 'super natural killer cells' -- that seek out cancer cells in lymph nodes with only one purpose: destroy them. This breakthrough halts the onset of metastasis, according to a new Cornell study published this month in the journal Biomaterials. (2015-11-12)

New anti-inflammatory strategy for cancer therapy identified by UCSD researchers
A new strategy for cancer therapy, which converts the tumor-promoting effect of the immune system's inflammatory response into a cancer-killing outcome, is suggested in research findings by investigators at UCSD School of Medicine. (2004-09-20)

Original northern border of Illinois was south of Chicago and Lake Michigan
Chicago residents today might have had a Wisconsin zip code if the originally proposed northern boundary of Illinois had been approved. It was a straight line from the southernmost tip of Lake Michigan to just south of the Rock and Mississippi River confluence. (2014-09-11)

Strange trail suggests presence of galactic interloper
Scientists have discovered what looks like a jet contrail, possibly left behind by a dwarf star traveling through interstellar space. (2001-09-28)

Ants show us how to make super-highways
Certain army ants in the rainforests of Central and South America conduct spectacular predatory raids containing up to 200,000 foraging ants. Remarkably, some ants use their bodies to plug potholes in the trail leading back to the nest, making a flatter surface so that prey can be delivered to the developing young at maximum speed. (2007-05-26)

Paired drugs kill precancerous colon polyps, spare normal tissue
A two-drug combination destroys precancerous colon polyps with no effect on normal tissue, opening a new potential avenue for chemoprevention of colon cancer, a team of scientists at the University of Texas M. D. Anderson Cancer Center reports in the advance online edition of the journal Nature. (2010-03-28)

Setting the stage for life: Scientists make key discovery about the atmosphere of early Earth
Scientists in the New York Center for Astrobiology at Rensselaer Polytechnic Institute have used the oldest minerals on Earth to reconstruct the atmospheric conditions present on Earth very soon after its birth. The findings, which appear in the Dec. 1 edition of the journal Nature, are the first direct evidence of what the ancient atmosphere of the planet was like soon after its formation and directly challenge years of research on the type of atmosphere out of which life arose on the planet. (2011-11-30)

CT scans provide evidence of atherosclerosis in wide range of ancient populations
Although atherosclerosis is widely thought to be a disease of modern times, computed tomographic evidence of atherosclerosis has been found in the bodies of a large number of mummies. In a paper published in Global Heart the authors review the findings of atherosclerotic calcifications in the remains of ancient people -- humans who lived across a very wide span of human history and over most of the inhabited globe. (2014-07-30)

One in 10 Ohio women thought abortion illegal amid attempts to ban at 6 weeks
Though Ohio never formally enacted a so-called ''heartbeat bill'' banning abortions after six weeks of gestation, legislative and legal actions appear to have fueled beliefs that abortion is illegal in the state, a new study has found. (2021-02-17)

Egyptians, not Greeks were true fathers of medicine
Scientists examining documents dating back 3,500 years say they have found proof that the origins of modern medicine lie in ancient Egypt and not with Hippocrates and the Greeks. (2007-05-09)

Car access, not location, motivates college students to shop online for apparel, study finds
Students who attend college in an urban area are just as likely to shop online for apparel products as students on a rural campus, according to a recent Ohio University study. The study suggests that students who lack access to a car are more likely to shop online for apparel than those students who do have car access -- regardless of location. (2003-12-09)

World's oldest Italian wine just discovered
Researchers discover Italian wine residue from the Copper Age, debunking current belief wine growing and wine production in Italy developed during the Middle Bronze Age. (2017-08-24)

Traces of Roman-era pollution stored in the ice of Mont Blanc
The deepest layers of carbon-14 dated ice found in the French Alps provide a record of atmospheric conditions in the ancient Roman era. Published in Geophysical Research Letters, the study, led by an international team and coordinated by a CNRS scientist, reveals significant atmospheric pollution from heavy metals: the presence of lead and antimony is linked to mining activity and lead and silver production by the ancient Romans. (2019-05-09)

Asteroid collision forensics
Scientists from the Max Planck Institute for Solar System Research use the unique perspective from the Rosetta spacecraft to put a date on impact. (2010-10-14)

Chemtrails vs. contrails (video)
It's easy to look at the white trail behind a jet aircraft and imagine all manner of chemicals raining down from above. However, airplane contrails are simply what happens when jet engines burn fuel. In this video, Reactions explains the straightforward chemistry of contrails. (2018-02-06)

Birds inherited strong sense of smell from dinosaurs
Birds are known more for their senses of vision and hearing than smell, but new research suggests that millions of years ago, the winged critters also boasted a better sense for scents. (2011-04-12)

Examination of ancient Peruvian sites challenges current theories
Sites once occupied by the ancient people who created some of the pre-Columbian world's most exquisite art, largest ground drawings, most ingenious hydraulic engineering and most intense (2002-11-27)

Ohio State receives $34M NIH grant
Medical researchers at The Ohio State University, in partnership with Nationwide Children's Hospital, have received a $34 million grant from the National Institutes of Health to create a Center for Clinical and Translational Science at Ohio State. The center will help advance treatments for patients, provide support services to Ohio State researchers and foster collaboration with other medical centers that are grant recipients. The grant is one of the largest ever received by Ohio State. (2008-05-29)

A bicycle built for none: Riderless bike helps researchers learn how balance rolls along
In a discovery that could lead to better and safer bicycle design, researchers have shown that long-accepted (2011-04-14)

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