Native American use of galena at Kincaid Mounds, a settlement occupied during the Mississippian period (1150 to 1450 CE), resulted in more than 1.5 metric tons of lead pollution deposited in a small lake near the Ohio River. ...
Environment
Oct 21, 2019
2
148
From the Great Pacific garbage patch to inland rivers, plastics are among the most widespread contaminants on Earth. Microplastics—particles of plastic smaller than five millimeters—are especially pervasive. As they build ...
Environment
Sep 24, 2019
0
143
It's a simple enough equation: good soil is the key to good food. And good soil starts with trees.
Environment
May 31, 2019
3
37
A new study of UK lake sediment records stretching back over several centuries has found that the floods that hit Northern England in 2009 and 2015 (Storm Desmond), were the largest in 600 years—pointing to the impact of ...
Environment
May 21, 2019
0
10
Walleye and the fish they eat struggle to see in water clouded by algae, and that could potentially jeopardize the species' future if harmful algal blooms persist, according to a new study.
Ecology
Aug 27, 2018
0
4
As technology advances, demands for tellurium, a rare element, are on the rise. Some forms of tellurium are toxic, so as the element finds applications in solar panels, rubber production, electronics and more, researchers ...
Environment
Apr 25, 2018
0
11
By analyzing sediment cores from Chilean lakes, an international team of scientists discovered that giant earthquakes reoccur with relatively regular intervals. When also taking into account smaller earthquakes, the repeat ...
Earth Sciences
Jan 30, 2018
4
172
DNA molecules in lake sediment are few and hard bound to particles. This resulted in challenging analyses and required development of new methods, both for extracting sufficiently clean DNA and for the statistical analysis ...
Evolution
Sep 20, 2017
0
5
The extent and depth of lakes in glaciated regions of North America are controlled by climate and the influence of differential isostatic rebound of the land's surface that began when Pleistocene ice melted from the continent. ...
Earth Sciences
Aug 9, 2017
0
7
Geochemical fingerprinting links microscopic ash found on the bottom of a Svalbard lake to a volcanic event happening 7000 years ago and 5000 km away.
Earth Sciences
May 22, 2017
0
7
