Methane, a chemical compound with the molecular formula CH4, is not only a powerful greenhouse gas, but also an important energy source. It heats our homes, and even seafloor microbes make a living of it. The microbes use ...
Earth Sciences
May 5, 2021
1
1117
An invisible flow of groundwater seeps into the ocean along coastlines all over the world. Scientists have tended to disregard its contributions to ocean chemistry, focusing on the far greater volumes of water and dissolved ...
Earth Sciences
Jan 8, 2021
1
781
Bronze Age pastoralists in what is now southern Russia apparently covered shorter distances than previously thought. It is believed that the Indo-European languages may have originated from this region, and these findings ...
Archaeology
Oct 21, 2020
0
214
Loggerhead turtles feed in the same places year after year—meaning key locations should be protected, researchers say.
Plants & Animals
Jan 23, 2020
0
38
Hair fiber analysis, a forensic crime tool with a questionable past, could soon have a brighter future thanks to the development of a more refined scientific technique that could reveal much about a person's lifestyle. Scientists ...
Analytical Chemistry
Apr 4, 2017
0
17
The different elements found in nature each have their distinct isotopes. For carbon, there are 99 atoms of the lighter stable carbon isotope 12C for each 13C atom, which has one more neutron in its nucleus. Apart from this ...
Nanophysics
Oct 11, 2016
1
0
For the past five years, the University of Georgia's Laurie Reitsema has been researching how early childhood living conditions affect individuals' health outcomes as adults.
Archaeology
Jun 8, 2016
0
216
University of Florida researchers have discovered that ancient peoples in the Indus Valley apparently did not stay put, as was previously thought. Equally surprising is how they found out: by examining 4,000-year-old teeth.
Archaeology
Apr 30, 2015
3
177
Methane is a potent greenhouse gas, second only to carbon dioxide in its capacity to trap heat in Earth's atmosphere for a long time. The gas can originate from lakes and swamps, natural-gas pipelines, deep-sea vents, and ...
Earth Sciences
Mar 5, 2015
0
44
Roman gladiators ate a mostly vegetarian diet and drank ashes after training as a tonic. These are the findings of anthropological investigations carried out on bones of warriors found during excavations in the ancient city ...
Archaeology
Oct 20, 2014
0
0
