Materials break, then remake, bonds to build strength
Microscopic tears in a new kind of man-made material may actually help the substance bulk up like a bodybuilder at the gym.
Microscopic tears in a new kind of man-made material may actually help the substance bulk up like a bodybuilder at the gym.
Materials Science
Aug 4, 2013
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Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression.
Other
Dec 25, 2023
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222
Compared to artificial tears, or eye drops, human tears are significantly more complex liquids, with a wide range of components including lipids, carbohydrates, proteins, water, and salt. It is this complex mixture that gives ...
Soft Matter
Jul 13, 2023
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95
Dogs and humans clearly have a special bond. But do dogs, like humans, produce more tears at times when they are flooded with emotion? A new study reported in Current Biology on August 22—which may be the first to look ...
Plants & Animals
Aug 22, 2022
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130
Going to the doctor might make you want to cry, and according to a new study, doctors could someday put those tears to good use. In ACS Nano, researchers report a nanomembrane system that harvests and purifies tiny blobs ...
Bio & Medicine
Jul 20, 2022
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62
Bird and reptile tears aren't so unlike our own, shows a new study in Frontiers in Veterinary Science. But the differences could provide insights into better ophthalmic treatments for humans and animals, as well as a clues ...
Plants & Animals
Aug 13, 2020
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287
A substance in young mouse tears makes female mice more likely to reject male sexual advances. This research is part of ongoing efforts at the University of Tokyo to understand how animals communicate using chemicals called ...
Plants & Animals
Oct 29, 2018
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68
Bioengineered replacements for tendons, ligaments, the meniscus of the knee, and other tissues require re-creation of the exquisite architecture of these tissues in three dimensions. These fibrous, collagen-based tissues ...
Polymers
Aug 7, 2012
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Mathematicians from the University of Delaware have created a new model of the fluid dynamics and heat flow in human tears. When people blink their eyes, a thin liquid film is spread across the surface of the eye.
General Physics
Jun 5, 2012
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Since ancient times, religious beliefs and practices have been a powerful force in shaping morality, justice, values and the things that influence a society.
Social Sciences
May 26, 2023
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