Many modern fitness trackers and smartwatches feature integrated LEDs. The green light emitted, whether continuous or pulsed, penetrates the skin and can be used to measure the wearer's heart rate during physical activity ...
Biotechnology
Jun 7, 2021
0
186
(Phys.org) —A Stanford University bioengineer has helped develop a technology that can tweak the control systems that regulate the inner workings of cells, pointing the way toward future medical interventions that could ...
Cell & Microbiology
Aug 16, 2013
0
0
A "window to evolution" has opened after mathematicians uncovered the universal explanatory framework for how molecules interact with one another to adapt to new and variable conditions while maintaining tight control over ...
Mathematics
Apr 27, 2023
0
65
Life converts food into cells via dense networks involving thousands of reactions. New research uncovers insights as to how such networks could have arisen from scratch at life's origin. An international team of researchers ...
Evolution
Mar 12, 2020
1
955
New research from the University of California, Davis, and the University of Colorado at Boulder puts an unexpected twist on how mitochondria, the energy-generating structures within cells, divide. The work, which could have ...
Cell & Microbiology
Sep 2, 2011
0
0
A polymer gel consists of a three-dimensional cross-linked polymer network swollen with liquid molecules. However, most conventional polymer gels are brittle because stress concentration readily occurs in their cross-linked ...
Polymers
Dec 1, 2016
0
5
Nanoscience can arrange minute molecular entities into nanometric patterns in an orderly manner using self-assembly protocols. Scientists at the Technical University of Munich (TUM) have functionalized a simple rod-like building ...
Bio & Medicine
Jan 16, 2020
0
283
Earth's surface is covered by plants. They make up the majority of biomass on land and exhibit a wide range of diversity, from mosses to trees. This astounding biodiversity came into existence due to a fateful evolutionary ...
Plants & Animals
Aug 30, 2023
0
37
The evolution of worms, insects, vertebrates and other "bilateral" animals—those with distinct left and right sides—from less complex creatures like jellyfish and sea anemones with "radial" symmetry may have been facilitated ...
Biotechnology
Sep 30, 2014
8
0
For much of her professional life, Dr. Susan Rosenberg has studied the puzzling response of bacteria to stress and the mutations that result. In the current issue of the journal Science, she puts together the pieces of that ...
Cell & Microbiology
Dec 6, 2012
0
0
