Scientists unveiled new DVD technology on Wednesday that stores data in five dimensions, making it possible to pack more than 2,000 movies onto a single disc.
Nanophysics
May 20, 2009
8
0
A new study from the University of Warwick demonstrates the impact of passing stars, misaligned binary stars and passing gas clouds on the formation of planets in early star systems.
Astronomy
Feb 3, 2022
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308
Astronomers have developed the most realistic model to date of planet formation in binary star systems.
Astronomy
Jul 27, 2021
50
8266
Astronomers have pondered for years why our galaxy, the Milky Way, is warped. Data from ESA's star-mapping satellite Gaia suggest the distortion might be caused by an ongoing collision with another, smaller, galaxy, which ...
Astronomy
Mar 3, 2020
9
1188
In 1884, a schoolmaster and theologian named Edwin Abbott wrote a novella called Flatland, which tells the story of a world populated by sentient two-dimensional shapes. While intended as a satire of rigid Victorian social ...
Optics & Photonics
Nov 6, 2019
0
158
Astronomers using one of the most advanced radio telescopes have discovered a rare molecule in the dust and gas disc around a young star—and it may provide an answer to one of the conundrums facing astronomers.
Astronomy
Sep 12, 2019
50
661
An international team of astronomers has found a new brown dwarf, one of the most massive objects of this type discovered to date. The newly detected brown dwarf, designated EPIC 212036875 b, turns out to be about 50 times ...
Using the Submillimeter Array (SMA), astronomers have conducted a molecular line study of the protoplanetary disk Oph-IRS 67, uncovering essential information about its chemical structure. Results of this study were presented ...
Researchers have identified a young star with four Jupiter and Saturn-sized planets in orbit around it, the first time that so many massive planets have been detected in such a young system. The system has also set a new ...
Astronomy
Oct 15, 2018
56
662
(Phys.org)—A new study based on observations conducted via the Zurich imaging polarimeter (ZIMPOL) reveals insights into the nature of a protoplanetary disc surrounding the star HD 169142. The research, presented in a paper ...
PSD-95 (postsynaptic density protein 95) also known as SAP-90 (synapse-associated protein 90) is a protein that in humans is encoded by the DLG4 (disks large homolog 4) gene.
PSD-95 is a member of the membrane-associated guanylate kinase (MAGUK) family. With PSD-93 it is recruited into the same NMDA receptor and potassium channel clusters. These two MAGUK proteins may interact at postsynaptic sites to form a multimeric scaffold for the clustering of receptors, ion channels, and associated signaling proteins.
PSD-95 is the best studied member of the MAGUK-family of PDZ domain-containing proteins. Like all MAGUK-family proteins, its basic structure includes three PDZ domains, an SH3 domain, and a guanylate kinase-like domain (GK) connected by disordered linker regions. It is almost exclusively located in the post synaptic density of neurons, and is involved in anchoring synaptic proteins. Its direct and indirect binding partners include neuroligin, NMDA receptors, AMPA receptors, and potassium channels.
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