A critical feature of many multicellular lifeforms on Earth are hard, biological structures, such as animal bones and snail shells that are made from minerals.
Archaeology
Aug 28, 2017
0
347
Scientists from The Scripps Research Institute have solved a long-standing mystery of how cells conduct "quality control" to eliminate the toxic effects of a certain kind of error in protein production. The findings may lead ...
Cell & Microbiology
Sep 12, 2010
3
0
Aberdeen scientists have made an important discovery about a branch of ancient life which plays an important—if perhaps not fully understood role—in our world's ecosystem.
Evolution
Dec 17, 2020
0
82
How did the complex organisms on Earth arise? This is one of the big open questions in biology. A collaboration between the working groups of Christa Schleper at the University of Vienna and Martin Pilhofer at ETH Zurich ...
Evolution
Dec 21, 2022
0
97
Primary fluid inclusions in bedded halite from the 830-million-year-old Browne Formation of central Australia contain organic solids and liquids, as documented with transmitted light and UV-vis petrography. These objects ...
Earth Sciences
May 11, 2022
2
284
Most researchers imagine the initial oxygenation of the ocean and atmosphere to have been something like a staircase, but with steps only going up. The first step, so the story goes, occurred around 2.4 billion years ago, ...
Earth Sciences
Oct 23, 2012
4
0
(PhysOrg.com) -- Scientists at North Carolina State University have effectively lifted the veil from the structure of an ancient and important RNA-protein complex essential for the biosynthesis and function of the ribosome, ...
Cell & Microbiology
Sep 10, 2009
0
0
Viruses are tiny invaders that cause a wide range of diseases, from rabies to tomato spotted wilt virus and, most recently, COVID-19 in humans. But viruses can do more than elicit sickness—and not all viruses are tiny.
Evolution
Nov 18, 2020
7
166
Algae (a term used to group many photosynthetic organisms into a rather heterologous mash-up) do not have a kind place in the public imagination. Take for example the following passage from Stephen King's Pet Semetary:
Biotechnology
Aug 24, 2016
0
11
Many viruses, including that perennial winter affliction, the influenza virus, are protected by a lipid membrane on loan from the host cell. The fusion proteins on the surface of the membrane are tasked with merging the lipid ...
Cell & Microbiology
Apr 5, 2019
0
5
