Two decades after having described a new Anaconda species based on morphological characteristics, a team guided by David Tarknishvili succeeded in extracting DNA from some old, pre-existing tissue samples. They used these ...
Plants & Animals
Nov 21, 2022
0
1635
Arthropods have been among the most successful animals on Earth since the Cambrian Period, about 520 million years ago. They are the most familiar and ubiquitous, and constitute nearly 80% of all animal species today, far ...
Archaeology
Nov 4, 2020
1
4622
An extremely rare collection of 160-million-year-old sea spider fossils from Southern France are closely related to living species, unlike older fossils of their kind.
Paleontology & Fossils
Aug 17, 2023
1
54
The chemical composition of glass beads and their morphological characteristics can reveal where they come from. Archaeologists from the University of Geneva analyzed glass beads found at rural sites in Mali and Senegal from ...
Archaeology
Dec 2, 2020
0
629
The behavior of sperm cells is due, in part, to the individual DNA make-up of these cells, rather than only to the genetics of males, finds a team of scientists. Its results, which provide a new understanding of the competition ...
Cell & Microbiology
Nov 15, 2022
0
125
A team of biologists and Earth scientists from the U.S., China and South Korea has uncovered clues to explain the unique physiology of the tardigrade (also known as the water bear). In their paper published in Proceedings ...
A joint team from Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), Chinese Academy of Sciences, Institute of Cultural Relics and Archaeology, and Office for Cultural Relics Administration of Daoxian County, ...
Archaeology
May 13, 2013
0
0
The Dental Anthropology Group at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) has published a paper in the American Journal of Biological Anthropology on the morphological differences between ...
Evolution
Mar 1, 2024
0
5
Groundwater and its nutrients sustain the deep-rooted phreatophytes. However, how phreatophyte seedlings respond to water and nutrients in topsoil before their roots reach groundwater remains unclear.
Plants & Animals
Dec 21, 2020
1
10
Sambucus L. is a morphologically diverse flora comprising approximately 23 accepted species that are mostly deciduous shrubs, perennial herbs or small trees widespread in almost all regions of the world, excluding extremely ...
Plants & Animals
Dec 30, 2022
0
4
