Deep ultraviolet light-emitting diodes (DUV-LEDs) made from aluminium gallium nitride (AlGaN) efficiently transfer electrical energy to optical energy due to the growth of one of its bottom layers in a step-like fashion. ...
Nanomaterials
Feb 22, 2019
0
28
A chemical maker's North Carolina plant may have broken federal law by failing to notify the U.S. Environmental Protection Agency before it started manufacturing and repurposing new industrial compounds, the agency said this ...
Environment
Feb 16, 2019
1
38
Water is becoming a scarce resource in many parts of the world. Water tables have been falling in many regions for decades, particularly in areas with intensive agriculture. Wells are going dry and there are few long-term ...
Environment
Jan 16, 2019
0
9
Each year brings new research showing that oil and natural gas wells leak significant amounts of the potent greenhouse gas methane.
Environment
Dec 20, 2018
0
4
While most Americans have access to safe, potable water, populations in some regions of the world are not as fortunate. In fact, the majority of some 90 million people who live in the Punjab areas of Pakistan and India drink ...
Environment
Dec 12, 2018
0
5
Chronic conditions like heart disease and diabetes have been on the rise for decades. They're the number one cause of death and disability in the U.S. today and one reason why health care costs are out of control.
Mathematics
Nov 22, 2018
0
9
There are more gorillas in the mist—a rare conservation success story, scientists say.
Plants & Animals
Nov 14, 2018
0
4
Americans hear a lot about consumerism and materialism. But most either think it applies to others or succumb to the notion that there's no way around it, given our culture and the pervasive influence of the market, which ...
Social Sciences
Nov 13, 2018
0
7
Women in Africa with little formal education are delaying marriage—much like their better-educated peers, a new University of Michigan study indicates.
Social Sciences
Nov 6, 2018
0
3
Water researchers have found a way to fight the "king of poisons" that accounts for one of every 20 deaths in Bangladesh.
Environment
Nov 5, 2018
0
17
