Scientists have solved a decades-long mystery as to why ancient tetrapods—amphibian-like creatures that lived over 300 million years ago—preserved in one of Ireland's most important fossil sites seemingly had their bones ...
Paleontology & Fossils
Dec 7, 2022
0
391
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
Microplastics are all around us—in the water we drink, the food we eat and the air we breathe. But before researchers can understand the real impact of these particles on health, they need faster and more effective ways ...
Environment
Apr 25, 2022
0
67
The deep-sea crown jelly Atolla is one of the most common residents of the ocean's midnight zone. Its bell has a signature scarlet color and bears one tentacle much longer than the rest. So 15 years ago, when MBARI researchers ...
Plants & Animals
Apr 19, 2022
0
507
CT scanning—which combines a series of X-ray images taken from different angles around an organism and uses computer processing to create cross-sectional images of its bones, is providing new insight into an old initiative ...
Evolution
May 19, 2021
0
22
In the rugged province of Xieng Khoaung in upper northern Laos are scattered more than 2,000 large carved stone jars. They vary in size, with the biggest standing at just over 2.5 meters tall and weighing in at 30 tons. The ...
Archaeology
Apr 16, 2021
3
713
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
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
4621
Surface wear describes the process of material loss when two surfaces come into contact with each other. It has significant economic, social and health consequences—consider the fine particles emitted by moving vehicles. ...
Materials Science
Mar 8, 2019
0
44
Is evolution predictable? What are the mechanisms that allow different fish to respond to the same environmental challenge in slightly different ways? When the same jaw bones and muscles change to produce the same feeding ...
Evolution
Feb 20, 2019
0
96
