The universe is expanding. How fast it does so is described by the so-called Hubble-Lemaitre constant. But there is a dispute about how big this constant actually is: Different measurement methods provide contradictory values.
Astronomy
Dec 2, 2023
15
1791
A team of researchers from several institutions in the U.K. and one in South Africa has come to the conclusion that the broiler chicken offers perhaps the most striking evidence of the rise of the Anthropocene. In their paper ...
The Japanese maker of an exoskeleton robot suit to assist walking on Monday unveiled a model that could help nuclear workers weighed down by heavy anti-radiation vests in contaminated zones.
Robotics
Nov 7, 2011
0
0
Plants can adapt extremely quickly to changes in their environment. Hormones, chemical messengers that are activated in direct response to light and temperature stimuli help them achieve this. Plant steroid hormones similar ...
Cell & Microbiology
Aug 19, 2014
0
1
All biological processes are in some way pH-dependent. Human bodies and those of other organisms need to maintain specific and constant pH regulation in order to function. Changes in pH can have serious biological consequences—or ...
Cell & Microbiology
Oct 23, 2020
0
141
In salt water solutions, water molecules rapidly move around salt ions at a scale of more than a trillion times a second, according to both experiments and simulations led by scientists at New York University and the Sorbonne.
Analytical Chemistry
Jan 19, 2023
0
454
Most people are familiar with the cell nucleus from grade school biology as a storage compartment for DNA. But the nucleus also contains several distinct structures, called nuclear bodies or domains, whose roles scientists ...
Molecular & Computational biology
Mar 2, 2022
0
89
The nucleus of each of your cells contains all the genetic information (the genome) necessary to build every type of cell and protein in your entire body. Like a complex library in a tiny space 50 times smaller than the width ...
Molecular & Computational biology
May 9, 2024
0
41
Polyphosphoesters, molecules containing phosphorus as the central element, are easily traceable without the need for contrast agents, thanks to developments by researchers from the University of Twente (UT). Normally, these ...
Polymers
Nov 24, 2023
0
42
Researchers at the Department of Energy's SLAC National Accelerator Laboratory have uncovered a key step in the ionization of liquid water using the lab's high-speed "electron camera," MeV-UED. This reaction is of fundamental ...
Optics & Photonics
Oct 1, 2021
0
89
