Caltech scientists have developed a new kind of polymer that can carry a chemical payload as part of its molecular structure and release it in response to mechanical stress. The chemical system they have developed could one ...
Polymers
Nov 8, 2019
0
293
In contrast to humans, plants cannot feel pain. However, so-called mechanical stimulation—rain, wind and physical impact from humans and animals—contributes to the activation of a plant's defence system at a biochemical ...
Plants & Animals
Oct 30, 2019
1
12
Hybrid plants—those produced by crossing two different types of parents—often die in conditions in which both parents would survive. It's called hybrid lethality. Certain hybrid tobacco plants, for example, thrive at ...
Biotechnology
Oct 10, 2019
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10
The swarming behavior of about 100 million molecular machines can be controlled by applying simple mechanical stimuli such as extension and contraction. This method could lead to the development of new swarming molecular ...
Nanomaterials
Oct 8, 2019
0
13
Fleets of microscopic machines toil away in your cells, carrying out critical biological tasks and keeping you alive. By combining theory and experiment, researchers have discovered the surprising way one of these machines, ...
General Physics
Sep 2, 2019
1
477
Researchers at the NYU Tandon School of Engineering have discovered a new way to identify the state of individual cells by bringing principles of mechanical engineering and physics to bear on processes that are now well understood ...
Cell & Microbiology
Aug 19, 2019
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56
A team of researchers from Aix Marseille Université and CNRS, the Turing Centre for Living Systems, the University of Chicago and Collège de France has found a previously unknown aspect of cell internalization that occurs ...
Hot summer weather, stressful situations and intense workouts can produce unpleasant sweaty odors. But what if clothing could cover up these embarrassing smells with a burst of fragrance? Now, researchers have modified cotton ...
Materials Science
Jul 31, 2019
1
22
A computer model of forces exerted by cells during development of a fertilized egg into a fruit fly larvae holds promise to help scientists understand the morphogenesis of organisms that are much more complicated.
Plants & Animals
Jun 20, 2019
0
1
The high resolution and wealth of data provided by an experiment at Diamond can lead to unexpected discoveries. The piezoelectric properties of the ceramic perovskite PMN-PT (0.68Pb(Mg1/3Nb2/3)O3–0.32PbTiO3) are widely ...
Condensed Matter
Jun 18, 2019
0
48
