Researchers have discovered Homo sapiens did indeed live and survive in the Kalahari Desert more than 20,000 years ago.
Archaeology
Aug 17, 2022
1
445
Mineral-rich waters originating from the Apennine Mountains of Italy flowed through ancient Rome's Anio Novus aqueduct and left behind a detailed rock record of past hydraulic conditions, researchers have said. Two studies ...
Earth Sciences
Aug 8, 2022
0
562
"The building industry emits huge volumes of CO2", says SINTEF researcher Simone Balzer Le, who is part of a cross-disciplinary research team currently developing a biological cement called BioZEment. "The manufacture of ...
Materials Science
Feb 18, 2021
1
7
The largest freshwater bacterium, Achromatium oxaliferum, is highly flexible in its requirements, as researchers led by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) have now discovered: It lives ...
Cell & Microbiology
Nov 19, 2020
4
6
Researchers at AMOLF have found a way of making calcium carbonate structures suitable for use in electronics. They do this by modifying the composition of the material so that it becomes a semiconductor without losing its ...
Materials Science
Jun 5, 2018
0
106
Calcium carbonate, or CaCO3, comprises more than 4% of the earth's crust. Its most common natural forms are chalk, limestone, and marble, produced by the sedimentation of the shells of small fossilized snails, shellfish, ...
Biochemistry
Jun 7, 2017
0
337
For the first time scientists can see how the shells of tiny marine organisms grow atom-by-atom, a new study reports. The advance provides new insights into the mechanisms of biomineralization and will improve our understanding ...
Materials Science
Oct 24, 2016
0
1012
In nacre, layer lattices of inorganic calcium carbonate alternate with layers of organic material. Chitin, collagen and various proteins ensure that the calcium carbonate grows in these defined layers. What role the proteins ...
Materials Science
Mar 13, 2015
0
11
For almost a century, scientists have been puzzled by a process that is crucial to much of the life in Earth's oceans: Why does calcium carbonate, the tough material of seashells and corals, sometimes take the form of calcite, ...
Condensed Matter
Mar 3, 2015
2
673
Nature packs away carbon in chalk, shells and rocks made by marine organisms that crystallize calcium carbonate. Now, research suggests that the soft, organic scaffolds in which such crystals form guide crystallization by ...
Materials Science
Jan 26, 2015
0
659
