A first-of-its-kind instrument that samples smoke from megafires and scans humidity will help researchers better understand the scale and long-term impact of fires—specifically how far and high the smoke will travel; when ...
Environment
Mar 29, 2021
0
163
Researchers have come up with a better way to test which fabrics work best for masks that are meant to slow the spread of COVID-19. By testing those fabrics under conditions that mimic the humidity of a person's breath, the ...
Bio & Medicine
Mar 9, 2021
5
1197
N95 masks are a critical part of the personal protective equipment used by front-line health care workers. These masks achieve 95% efficiency at filtering out tiny 0.3-micron particles, while maintaining reasonable breathability, ...
Soft Matter
Sep 8, 2020
0
298
The emergence of biotic and abiotic stresses poses potential impairment on plant growth and yield. Accurate monitoring and assessment of plant health status is therefore highly important; however, conventional bulky and heavy ...
Bio & Medicine
Aug 13, 2020
0
5
The Triassic Period, about 252 to 201 million years ago, was a time of volatile change, particularly during an interval known as the Carnian (about 237 to 227 million years ago). Three dramatic events occurred on Earth: the ...
Earth Sciences
Jul 13, 2020
1
115
Spring has barely arrived, and bushfires are burning across Australia's eastern seaboard. More than 50 fires are currently burning in New South Wales, and some 15,000 hectares have burned in Queensland since late last week.
Environment
Sep 11, 2019
0
21
Scientists from the Universities of Regensburg and Mainz and the Max Planck Institute for Chemical Ecology discovered that the eggs of the European beewolf produce nitric oxide. The gas prevents the larvae's food from getting ...
Plants & Animals
Jun 11, 2019
0
904
For polar bears, the insulation provided by their fat, skin, and fur is a matter of survival in the frigid Arctic. For engineers, polar bear hair is a dream template for synthetic materials that might lock in heat just as ...
Materials Science
Jun 6, 2019
1
63
Despite decades of innovation in fabrics with high-tech thermal properties that keep marathon runners cool or alpine hikers warm, there has never been a material that changes its insulating properties in response to the environment. ...
Nanomaterials
Feb 7, 2019
3
6853
Graphene exhibits very different properties in humid conditions, according to researchers from Queen Mary University of London.
Nanomaterials
Jan 21, 2019
0
303
