TRIESTE, Italy, Oct. 22 (UPI) -- Italian archaeologists say they have discovered nine large columns believed to have once lined a key Roman road into the Balkans.
WASHINGTON, Oct. 22 (UPI) -- A U.S. Army pain expert says increased use of narcotic pain-relief medications by injured troops has raised concerns about addiction.
SALT LAKE CITY, Oct. 22 (UPI) -- University of Utah geologists said they've found hundreds of dinosaur footprints at a site in the Vermillion Cliffs National Monument.
FLAGSTAFF, Ariz., Oct. 22 (UPI) -- Epidemic specialists say a Grand Canyon National Park biologist who died last year caught the plague from a mountain lion.
Study: World is undergoing mass extinction … New ALS research findings are reported … NASA holds $2M lunar lander competition … Microparticles may bolster heart function ... Health/Science news from UPI.
PASADENA, Calif., Oct. 21 (UPI) -- U.S. scientists say they've genetically modified a brain receptor in mice, causing neurons to increase the release of dopamine, making the mice hyperactive.
ATLANTA, Oct. 21 (UPI) -- U.S. medical scientists say they've developed tiny polymer, drug-embedded microparticles that might aid patients who have suffered a heart attack.
NEW YORK, Oct. 21 (UPI) -- Genetic tests conducted by U.S. and Australian scientists have found all sea turtles are related, even carnivorous and herbivorous turtles.
COPENHAGEN, Denmark, Oct. 21 (UPI) -- Danish medical scientists have found some bone infections are caused by a newly discovered species of bacteria that are related to the tuberculosis pathogen.
NOTTINGHAM, England, Oct. 21 (UPI) -- Real pilots and virtual flyers have flown against each other using British technology that combines real and virtual reality in a 250 mph game.
SANTA BARBARA, Calif., Oct. 21 (UPI) -- U.S. scientists say the Earth is in the midst of its sixth mass extinction of plants and animals, with nearly 50 percent of all species disappearing.
ST. LOUIS, Oct. 21 (UPI) -- The 149-year-old Missouri Botanical Garden in St. Louis, one of the world's largest botanical collections, has received its 6 millionth herbarium specimen.
COLUMBUS, Ohio, Oct. 21 (UPI) -- U.S. scientists say they've created a material that overcomes a major obstacle in solar power generation: it absorbs all the energy contained in sunlight.
NEWARK, N.J., Oct. 21 (UPI) -- U.S. scientists have discovered when a leaf of a plant is attacked by a pathogen, the plant's roots can secret an acid that contains beneficial bacteria.
OTTAWA, Oct. 21 (UPI) -- The Canadian Food Inspection Agency issued a warning that Plaisirs Gastronomiques-brand sandwiches might be contaminated with Listeria monocytogenes.
BALTIMORE, Oct. 21 (UPI) -- U.S. scientists say they've found transplanting a new line of stem cell-like cells in rat models of amyotrophic lateral sclerosis can help sustain breathing.
SANTA BARBARA, Calif., Oct. 21 (UPI) -- A group of U.S. scientists is proposing the creation of a new type of seed bank that would capture evolution in action by regularly gathering wild species.
IDAHO FALLS, Idaho, Oct. 21 (UPI) -- U.S. government scientists say they've developed technology that enables a laser to detect minuscule traces of cells in a mineral likely present on Mars.
LA JOLLA, Calif., Oct. 21 (UPI) -- U.S. scientists say they significantly increased the efficiency involved in reprogramming adult human cells back into so-called induced pluripotent stem cells.
WEST LAFAYETTE, Ind., Oct. 21 (UPI) -- A U.S. study concludes specialized language used in construction industry safety training might not be understood by many workers.
WASHINGTON, Oct. 21 (UPI) -- Nine teams with rocket-powered vehicles will compete for $2 million in prize money this week during the U.S. space agency's Lunar Lander Challenge.
CALGARY, Alberta, Oct. 21 (UPI) -- Acting U.S. Deputy Secretary of Energy Jeffrey Kupfer was in Canada, Tuesday, starting a trip aimed at highlighting U.S.-Canadian energy cooperation.
WASHINGTON, Oct. 21 (UPI) -- The U.S. Food and Drug Administration announced the voluntary recall of Hartz-brand chicken-basted rawhide chips due to possible contamination.
ARBERDEEM, Scotland, Oct. 20 (UPI) -- A Scottish-led study has determined a genetic reason for moles' poor eyesight -- incomplete development of the eye lens fibers.