All articles tagged with #isotope analysis
New research indicates that mosasaurs, giant marine reptiles, could also live in freshwater environments, as evidenced by isotope analysis of fossil teeth from North Dakota, suggesting they were not limited to oceans and may have preyed on dinosaurs in rivers before their extinction.
A cow's tooth found near Stonehenge has revealed that the animal likely originated from Wales, supporting theories that cattle may have helped transport the stones across Britain, providing new insights into the construction of the ancient monument.
Stable isotope analysis of bones and teeth has provided new insights into the diets of ancient humans and Neanderthals, revealing dietary flexibility, meat consumption, and evolutionary adaptations over millions of years, with advanced techniques like CSIA-AA and enamel analysis expanding our understanding of early hominin diets and their role in human evolution.
Scientists have discovered direct evidence that ancient Clovis people in North America relied heavily on mammoths and other large animals for food, as revealed by stable isotope analysis of remains from a 13,000-year-old burial site in Montana. The study, published in Science Advances, shows that about 40% of the diet of a Clovis child's mother came from mammoths, with other large animals like elk and bison comprising the rest. This research provides insights into the rapid spread of humans across the Americas and the extinction of large ice age mammals.
A 14,000-year-old woolly mammoth tusk named Elma has provided insights into the relationship between early Alaskans and mammoths, as researchers discovered that human settlements in Alaska closely aligned with the movements of this mammoth. Using a new isotope analysis tool, researchers tracked Elma's movements and found that humans set up seasonal hunting camps where mammoths gathered. The study sheds light on the interaction between humans and mammoths, offering a new perspective on prehistoric life and challenging the traditional image of aggressive hunters, depicting a family instead.
Scientists have gained new insights into the feeding habits of pygmy right whales, the smallest and most mysterious species of baleen whales. Using an innovative approach that analyzed stable isotopes in the whales' baleen plates, researchers discovered that these whales primarily feed on copepods and krill in mid-latitude waters off the coast of southern Australia. Unlike other baleen whales, they do not undertake long-distance migrations to Antarctic waters. The study highlights the vulnerability of pygmy right whales to environmental changes and emphasizes the need for conservation efforts to protect these unique oceanic creatures.