A new global study of how calcium concentrations are changing in freshwater lakes around the world has revealed that in widespread areas in Europe and eastern North America, calcium levels are declining towards levels that ...
Environment
Aug 6, 2019
4
388
Rainy weather is becoming increasingly common over parts of the Greenland ice sheet, triggering sudden melting events that are eating at the ice and priming the surface for more widespread future melting, says a new study. ...
Earth Sciences
Mar 7, 2019
11
326
Surrounded by salty water, sea snakes sometimes live a thirsty existence. Previously, scientists thought that they were able to drink seawater, but recent research has shown that they need to access freshwater. A new study ...
Plants & Animals
Feb 8, 2019
0
197
University of Colorado Boulder researchers have created a map of the Northern Hemisphere showing how location and humidity can affect precipitation, illustrating wide variability in how and why different areas receive snow ...
Environment
Mar 20, 2018
0
29
For centuries drought has come and gone across northern sub-Saharan Africa. In recent years, water shortages have been most severe in the Sahel—a band of semi-arid land situated just south of the Sahara Desert and stretching ...
Environment
Jan 10, 2017
0
80
As a raindrop falls through the atmosphere, it can attract tens to hundreds of tiny aerosol particles to its surface before hitting the ground. The process by which droplets and aerosols attract is coagulation, a natural ...
Earth Sciences
Aug 28, 2015
0
911
New research suggests that the Amazon rainforest may be more able to cope with dry conditions than previously predicted. Researchers at the University of Exeter and Colorado State University used a computer model to demonstrate ...
Environment
Nov 14, 2013
0
0
Calcium can do much more than strengthen bones. The mineral is a critical nutrient for healthy tree growth, and new research shows that adding it to the soil helps reverse the decades-long decline of forests ailing from the ...
Environment
Sep 19, 2013
2
0
The greater the plant density in a given area, the greater the amount of rainwater that seeps into the ground. This is due to a higher presence of dense roots and organic matter in the soil. Since water is a limited resource ...
Mathematics
Aug 30, 2013
0
0
They appear in the desert in southwest Africa and persist for decades: so-called fairy circles, or puzzling rings of grass with a barren center.
Plants & Animals
Mar 28, 2013
5
1
