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Science X / Deep inside a desert rock shelter, archaeologists uncovered an Ice Age mystery that refused to stay local for long
A remarkable discovery has been made in an Upper Paleolithic cave in the heart of Israel's rugged Negev Desert. Years after they were last worn, archaeologists dug up fragile seashell beads, still holding specks of ochre ...
Medical Xpress / Artemisinin resistance is rising in East Africa—leaving anti-malarials at risk of failure
Resistance to the main drug in front-line malaria treatments is becoming more widespread across East Africa, according to new research by Imperial College London. The study, published in The Lancet Infectious Diseases, maps ...
Phys.org / A robot that reads bacteria by touch, without staining or chemical labels
Fast identification of bacteria is important in health care, food safety, environmental monitoring and infection control. One of the most common first steps is gram classification, which separates bacteria into gram-positive ...
Phys.org / Grasses provide most of the world's calories—but we're only now starting to learn how they grow
If we want to dismiss something as irrelevant, we'd say that it's "as boring as watching the grass grow." And yet grasses—including corn, wheat and rice—make up most of the plant-based calories humans eat, as well as most ...
Phys.org / Bacteria turn dissolved uranium into stable compound in 130 days, study finds
Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), together with Wismut GmbH and scientists from the University of Granada in Spain, have demonstrated for the first time that bacteria can convert uranium dissolved ...
Phys.org / Paleontologists make 'one in a million' discovery of soft tissue preserved in 450-million-year-old fossil
Before the oldest dinosaur, before animals or even plants had expanded onto dry land, ancient relatives of starfish called crinoids, resembling stalked sea flowers, were among the first creatures to flourish in Earth's earliest ...
Phys.org / The Vikings were more than bearded marauders, but Scandinavia's national museums continue to project that image
If you visit Scandinavia, you are likely to find yourself at an exhibition about Vikings. There are many to choose from.
Medical Xpress / Brain glutamate changes could link cannabis use to a higher risk of psychosis
Cannabis, commonly known as marijuana, is a plant that contains psychoactive compounds that can temporarily alter people's brain activity and perceptions. While the consumption of this plant for medical or recreational purposes ...
Phys.org / Tiny worms reveal backup circuits that keep survival reflexes from failing
A research team led by Professor Chaogu Zheng from the School of Biological Sciences at the University of Hong Kong (HKU), in collaboration with scientists from Princeton University and Columbia University, has discovered ...
Medical Xpress / How studying oral inflammatory diseases can help researchers understand other human diseases
A team of researchers from VCU Massey Comprehensive Cancer Center, the VCU School of Dentistry and the University of Pennsylvania recently published a study in Nature Communications examining why some oral inflammatory diseases ...
Tech Xplore / Birdlike robot swims underwater, then flaps into flight without paddling
Loons, gulls, puffins and petrels are some of the 100 species of birds that can both fly and swim. These diving birds can plunge into water to swim after prey, and leap back into the air to fly away.
Medical Xpress / New study provides first evidence of dopamine system injury in the brain of long COVID patients
A new brain imaging study led by researchers at the Center for Addiction and Mental Health (CAMH), published in eBioMedicine, provides the strongest evidence to date that long COVID is associated with injury to dopamine-releasing ...
