Second- and thirdhand tobacco smoke have received lots of attention, but much less is known about the compounds deposited on surfaces from cannabis smoke. Now, researchers reporting in ACS' Environmental Science & Technology ...
Other
Dec 2, 2020
0
72
An international team led by Prof. Fu Jianning and Dr. Zong Weikai from Beijing Normal University released the first light result of medium-resolution spectroscopic observations undertaken by the LAMOST-Kepler/K2 Survey. ...
Astronomy
Nov 30, 2020
0
13
Due to the continuing progress in miniaturization of silicon microelectronic and photonic devices, the cooling of device structures is increasingly challenging. Conventional heat transport in bulk materials is dominated by ...
Nanomaterials
Oct 13, 2020
0
106
Propelled by chemical changes in surface tension, microrobots surfing across fluid interfaces lead researchers to new ideas.
General Physics
Oct 1, 2020
1
72
The recent discovery of phosphine in the atmosphere of Venus is exciting, as it may serve as a potential sign of life (among other possible explanations).
Space Exploration
Sep 21, 2020
2
32
The "butterfly effect" is used by climate scientists to refer to an infinitesimally random perturbation to an identical initial condition (for example, in surface temperatures) causing drastically different El Niño trajectories.
Earth Sciences
Sep 3, 2020
4
208
Artisanal makers of mezcal have a tried and true way to tell when the drink has been distilled to the right alcohol level. They squirt some into a small container and look for little bubbles, known as pearls. If the alcohol ...
Analytical Chemistry
Jul 7, 2020
0
215
Researchers in the USA have developed a graphene-based electrochemical sensor capable of detecting histamines (allergens) and toxins in food much faster than standard laboratory tests.
Nanomaterials
Jun 10, 2020
0
469
Urbanization could cause 26 percent more rain to fall over Jeddah city than over the surrounding desert during storms.
Earth Sciences
Jun 1, 2020
0
4
Organic field-effect transistors (OFETs) are the heart of plastic electronics. Doping has been shown to improve the performance of OFETs effectively. There are two major ways of doping OSCs.
Materials Science
May 20, 2020
0
11
