Walmart said Friday it was readying a new home delivery service where its employees could come inside and stock up customers' refrigerators.
Business
Jun 7, 2019
0
27
Whether Harry Potter's invisibility cloak, which perfectly steers light waves around objects to make them invisible, will ever become reality remains to be seen, but perfecting a more crucial cloak is impossible, a new study ...
General Physics
Jun 7, 2019
2
111
An increase in cocoa price by 2.8 percent could potentially eliminate the very worst forms of child labor from cocoa production in Ghana, according to a new economic model described in a study published June 5, 2019 in the ...
Economics & Business
Jun 7, 2019
2
26
Researchers at the National Institute of Standards and Technology (NIST) and collaborators have demonstrated a compact frequency-comb apparatus that rapidly measures the entire infrared band of light to detect biological, ...
Optics & Photonics
Jun 7, 2019
0
138
Researchers from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences and Tsinghua University (THU) report a sandwiched superstructure for graphene oxide (GO) that transports through cell membranes. ...
Bio & Medicine
Jun 7, 2019
0
196
This striking image was taken by the NASA/ESA Hubble Space Telescope's Wide Field Camera 3 (WFC3), a powerful instrument installed on the telescope in 2009. WFC3 is responsible for many of Hubble's most breathtaking and iconic ...
Astronomy
Jun 7, 2019
3
394
Deborah Matthews hunts for plume moths in darkness, waiting for the halo of her headlamp to catch a brief flicker. About the size of mosquitoes, the delicate, feathery moths fly only a few feet at a time. Matthews must watch ...
Plants & Animals
Jun 7, 2019
0
513
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and the University of Arkansas have developed a highly efficient catalyst for extracting electrical energy from ethanol, an easy-to-store ...
Materials Science
Jun 7, 2019
1
201
Older forests in eastern North America are less vulnerable to climate change than younger forests—particularly for carbon storage, timber production, and biodiversity—new University of Vermont research finds.
Environment
Jun 7, 2019
2
3182
As sessile organisms, plants rely on their ability to adapt the development and growth of their roots in response to changing nutrient conditions. One such response, known to be displayed by plants grown in low nitrogen conditions, ...
Plants & Animals
Jun 7, 2019
0
9
