Bottled water sold in Spain is practically free of constituents given off by plastic packaging or glass bottle lids. They are only detected in some cases, albeit in quantities much lower than limits found harmful for health. ...
Other
Aug 22, 2014
0
2
Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another planet, in their stories. Scientists themselves have proposed terraforming to enable the long-term ...
Space Exploration
Jul 30, 2018
113
1731
Mars scientists are wrestling with a problem. Ample evidence says ancient Mars was sometimes wet, with water flowing and pooling on the planet's surface. Yet, the ancient sun was about one-third less warm and climate modelers ...
Space Exploration
Feb 6, 2017
21
1337
New findings from NASA's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars.
Space Exploration
Sep 28, 2015
34
3710
A vast global ocean may have covered early Earth during the early Archean eon, 4 to 3.2 billion years ago, a side effect of having a hotter mantle than today, according to new research.
Earth Sciences
Mar 30, 2021
0
7140
In the early 19th century in North America, parasitic infections were quite common in urban areas due in part to population growth and urbanization. Prior research has found that poor sanitation, unsanitary privy (outhouse) ...
Archaeology
May 3, 2021
1
118
(Phys.org)—Researchers from the University of Zurich say that atomic clock technology has sufficiently progressed to the point that it should now be feasible to use them to measure the Earth's geoid, thereby producing more ...
An international team of researchers has found evidence of the mineral jarosite in ice cores extracted from Antarctica. In their paper published in the journal Nature Communications, the researchers describe how the discovery ...
By analyzing unusual rock samples collected years ago in Antarctica, scientists at the University of California, Santa Cruz, have discovered a remarkable record of how the East Antarctic Ice Sheet has responded to changes ...
Environment
Sep 17, 2022
1
586
Researchers have discovered how a protein in plant roots controls the uptake of minerals and water, a finding which could improve the tolerance of agricultural crops to climate change and reduce the need for chemical fertilizers.
Plants & Animals
Sep 4, 2020
0
350
