Northeastern Asia has a complex history of migrations and plague outbursts. That is the essence of an international archeogenetic study published in Science Advances and lead from the Department of Archaeology and Classical Studies at Stockholm University, Sweden.
Since first appearing in late 2019, the novel virus, SARS-CoV-2, has had a range of impacts on those it infects. Some people become severely ill with COVID-19, the disease caused by the virus, and require hospitalization, whereas others have mild symptoms or are even asymptomatic.
What kind of interactions did the various Stone Age cultures have with one another? In a new interdisciplinary study, researchers have combined archeological and genetic information to better understand Battle Axe cultural influences discovered in graves of the Pitted Ware culture. The findings are published in the American Journal of Physical Anthropology.
The most common organism in the oceans, and possibly on the entire planet, is a family of single-celled marine bacteria called SAR11. These drifting organisms look like tiny jelly beans and have evolved to outcompete other bacteria for scarce resources in the oceans.
In the coming decades, new rovers will roam the sands of Mars. An orbiter will sample the seas of Jupiter's moon Europa. A drone will grace the skies of Saturn's moon Titan. Mission planners dream of equipping these mechanical scouts with instruments capable of scouring the unknown environments for signs of life, but the technology required to do so is deceptively complex.
High in the Himalayas of India, amid the snow-capped peaks, nestles a mystery. Roopkund Lake is a shallow body of water filled with human bones — the skeletons of hundreds of individuals. It's these that give the lake its other name, Skeleton Lake, and no-one knows how the remains came to be there.