(PhysOrg.com) -- Chemists have for a long time been interested in a type of molecule that is literally tied up into a knot. This is where atoms are bonded together to form strands, which are then twisted around one another ...
In the 19th century, Lord Kelvin made the inspired guess that elements are knots in the "ether". Hydrogen would be one kind of knot, oxygen a different kind of knot---and so forth throughout the periodic table of elements. ...
Mathematics
Nov 10, 2011
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Knots can now be tied systematically in the microscopic world. A team of scientists led by Uros Tkalec from the Jozef Stefan Institute in Ljubljana (Slovenia), who has been working at the Max Planck Institute for Dynamics ...
General Physics
Aug 19, 2011
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In any group of red knots, respective individuals exhibit a remarkable array of distinct character types. Birds with an exploratory character are motivated to investigate their environment and readily explore unfamiliar areas. ...
Plants & Animals
Jan 10, 2024
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If you have ever gotten a vaccine or received an intravenous drug and did not come down with a potentially life-threatening fever, you can thank a horseshoe crab (Limulus polyphemus).
Biotechnology
Oct 12, 2023
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Red knots of all ages and sexes show behavioral traits. These remain mostly unchanged over time but differ across individuals. Some individuals are more adventurous and show more exploratory behaviors a in new environment ...
Plants & Animals
Nov 28, 2022
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On 17 and 18 December 2021, a few hundred dead knots (Calidris canutus) were discovered on Schiermonnikoog and in Oost-Groningen. At the behest of the Netherlands Food and Consumer Product Safety Authority, Wageningen Bioveterinary ...
Plants & Animals
Dec 27, 2021
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This image shows knots of cold, dense interstellar gas where new stars are forming. These Free-floating Evaporating Gaseous Globules (frEGGs) were first seen in Hubble's famous 1995 image of the Eagle Nebula. Because these ...
Astronomy
Nov 9, 2021
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Scientists from the Pacific Quantum Center of Far Eastern Federal University (FEFU) report that the slipknot-structure AFV3-109 protein folds and unfolds depending on temperature. The protein is typical for the archaea, viruses ...
Cell & Microbiology
Jan 13, 2021
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The team of Alireza Mashaghi at the Leiden Academic Center for Drug Research has found a way to determine and classify the shape of proteins. Their new theory defines the topology of proteins as a simple and precise barcode ...
Molecular & Computational biology
Aug 26, 2020
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