Watersheds store water underground in soils and weathered bedrock. How long it takes for water to flow through the subsurface to feed streams is difficult to measure but important for understanding how watersheds function.
Earth Sciences
Apr 9, 2019
0
8
A slightly elevated level of radioactive contamination connected to the Fukushima nuclear disaster has been detected in the northern Bering Sea. The level of cesium-137, a radioactive isotope, is extremely low and not considered ...
Environment
Mar 28, 2019
0
19
In a remote stretch of New Mexico desert, the U.S. government put in motion an experiment aimed at proving to the world that radioactive waste could be safely disposed of deep underground, rendering it less of a threat to ...
Energy & Green Tech
Mar 23, 2019
2
24
A flick of a switch. An LED light shines on a liquid-filled beaker. Another flick. It goes dark.
Materials Science
Mar 21, 2019
0
7
In the Atlantic Ocean, a giant 'conveyor belt' carries warm waters from the tropics into the North Atlantic, where they cool and sink and then return southwards in the deep ocean. This circulation pattern is an important ...
Earth Sciences
Mar 20, 2019
143
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Matter is composed of chemical elements mainly created in stars via nuclear reactions and complex nuclear reaction networks. To understand these processes, we need to know properties of participating nuclei, such as their ...
Astronomy
Mar 8, 2019
0
85
Eight years have passed since a tsunami smashed into the Fukushima Daiichi nuclear plant in Japan, sparking a meltdown and the worst atomic crisis since Chernobyl.
Energy & Green Tech
Mar 8, 2019
19
101
Silicate glass has many applications, including use as a nuclear waste form to immobilize radioactive elements from spent fuel. However, it has one disadvantage—it corrodes when it comes into contact with aqueous solutions. ...
Analytical Chemistry
Feb 28, 2019
0
14
Earth's solid surface and moderate climate may be due, in part, to a massive star in the birth environment of the Sun, according to new computer simulations of planet formation.
Astronomy
Feb 11, 2019
27
370
Toshiba Corp. unveiled a remote-controlled robot with tongs on Monday that it hopes will be able to probe the inside of one of the three damaged reactors at Japan's tsunami-hit Fukushima nuclear plant and grip chunks of highly ...
Robotics
Jan 28, 2019
0
9
