For about half a century, physicists have puzzled over vibrations in glass at low temperatures. The reason: Glass carries sound waves and vibrations differently than other solids—it "vibrates differently." But why? And ...
General Physics
Jul 4, 2023
0
112
Similar to the expeditions of a hundred or two hundred years ago, the Tara Pacific expedition lasted over two years. Its goal was to research the conditions for life and survival of corals. The ship crossed the entire Pacific ...
Plants & Animals
Jun 26, 2023
0
63
Based on genetic blueprints, individual amino acids are assembled into long amino acid chains, the proteins, in the protein factories of our cells, the ribosomes. Each newly formed protein starts with the amino acid methionine. ...
Cell & Microbiology
Jun 22, 2023
0
61
Physicists at the University of Konstanz have generated one of the shortest signals ever produced by humans: Using paired laser pulses, they succeeded in compressing a series of electron pulses to a numerically analyzed duration ...
Optics & Photonics
Jun 19, 2023
3
101
There are flowering plants that have the ability to self-pollinate, meaning that they can fertilize themselves without a partner. A biological advantage of self-pollination, also known as "selfing", is that one individual ...
Evolution
Jun 16, 2023
0
11
Electron microscopes give us insight into the tiniest details of materials and can visualize, for example, the structure of solids, molecules or nanoparticles with atomic resolution. However, most materials in nature are ...
Optics & Photonics
May 31, 2023
0
31
Complex multicellular organisms can only emerge from fertilized eggs because embryonic development is biologically precisely regulated. Cellular communication through signaling pathways plays a crucial role in this context. ...
Cell & Microbiology
May 8, 2023
0
31
Ribonucleic acids (RNAs) are single-stranded molecules that play an essential role in the cells of all living organisms. As "transcripts" of our genes, mRNAs, for example, are involved in the translation of genetic information ...
Biochemistry
Apr 24, 2023
0
1303
Hydrogen is considered an environmentally friendly alternative to conventional fossil fuels. Until now, expensive and rare substances such as platinum have been needed for its catalytic production, for example via electrolytic ...
Nanophysics
Apr 6, 2023
0
27
Brains are key organs because they make sense of the world and help us successfully navigate through our lives. While all animals have brains, some species have rather large brains relatively to their body size—and this ...
Plants & Animals
Jan 17, 2023
1
115
