Material characterization Twelve polyimide aerogel samples with identical chemical formulations (10 w% polymer concentration with \(n=40\), the number of repeat units) with nominal dimensions of 76.… [+13067 chars]
She was dead tired but couldnt sleep, couldnt think straight, and could barely walk. The muscle pain in her arms and legs was so bad that she spent days in bed. When she did get up, she used a wheelc… [+2872 chars]
Newswise — Woods Hole, MA — The San Andreas Fault in California is renowned for its large and infrequent earthquakes. However, some segments of the San Andreas Fault (SAF) instead are characterized b… [+6773 chars]
It is common for young animals, in particular mammals, to play. Researchers at Linköping University (LiU) in Sweden have for the first time mapped the development of play in young chickens. The resul… [+2928 chars]
This thin halo-like ring is obscured by the bright orange glow of the original image, but it was predicted by advanced simulations. The team's findings, published yesterday, August 16, in The Astroph… [+1241 chars]
Depending on the perspective one chooses, a theoretical calculation can describe observed physics more or less accurately. Back in 2015, Alessandro Toschi from the Institute of Solid State Physics at… [+5158 chars]
<li>Darwin, C. On the Origin of Species. Facsimile of the First Edition (Harvard University Press, 1859). Google Scholar </li><li>Grafen, A. The phylogenetic regression. Philos. Trans. R. Soc. Lon… [+11877 chars]
The shifting relationships between atmospheric and oceanic climate change, air pollution, and the patterns of tropical cyclone (TC) activity have long been of interest to atmospheric scientists. TCs… [+6587 chars]
When plants sense environmental challenges such as drought or extended periods of extreme temperatures, they instinctively reprogram their genetic material to survive and even thrive. The chemical co… [+4418 chars]
Scanning electron microscopy (SEM) imaging characterization of our synthesized MOF nanoparticles revealed that the nearly spherical constituent nanoparticles were~70110 nm in diameter, and the overal… [+12600 chars]
On August 17, 2017 , scientists made a discovery that rocked the world of physics: they directly observed two neutron stars slamming into each other. Formed in the collapse of a massive star, when … [+5013 chars]
When flying to the Haughton-Mars Project (HMP) base, the primary impression is one of a vast wasteland below. The reddish expanse of dirt and rock looks featureless and bleak, but in fact holds many … [+7603 chars]