'Snowball Earth' might have been slushball
At least five ice ages have befallen Earth, including one 635 million years ago that created glaciers from pole to pole.
Earth Sciences
Apr 9, 2023
0
79
Page 6 - News tagged with multicellular organisms
Related topics:
cells
Why many cells are better than one
Researchers from Johns Hopkins have quantified the number of possible decisions that an individual cell can make after receiving a cue from its environment, and surprisingly, it's only two.
Cell & Microbiology
Oct 12, 2011
7
0
Astrophysicists explore links between atmospheric oxygen and detecting extraterrestrial technology on distant planets
In the quest to understand the potential for life beyond Earth, researchers are widening their search to encompass not only biological markers, but also technological ones. While astrobiologists have long recognized the importance ...
Astrobiology
Jan 2, 2024
0
119
Why red algae never colonized dry land
The first red alga genome has just been sequenced by an international team coordinated by CNRS and UPMC at the Station Biologique de Roscoff (Brittany), notably involving researchers from CEA-Genoscope, the universities of ...
Cell & Microbiology
Mar 21, 2013
8
0
Protein clumps as memory: Yeast cells are able to form a memory through an aggregate
Yeast has a somewhat complicated love life: on the one hand, a mother cell can produce genetically identical daughter cells through mitosis (cell division); on the other hand, yeast cells, who exist in two different mating ...
Cell & Microbiology
Dec 5, 2013
0
0
Scientists open new window into how cancers override cellular growth controls
Rapidly dividing cancer cells are skilled at patching up damage that would stop normal cells in their tracks, including wear and tear of telomeres, the protective caps at the end of each chromosome.
Cell & Microbiology
Mar 21, 2012
0
0
Flexible throughout life by varying numbers of chromosome copies
Baker's yeast is a popular test organism in biology. Yeasts are able to duplicate single chromosomes reversibly and thereby adapt flexibly to environmental conditions. Scientists from the Luxembourg Centre for Systems Biomedicine ...
Cell & Microbiology
Aug 14, 2013
0
0
Rigidity transition and cell migration in biological tissues
(Phys.org)—Cell migration is an intrinsic feature of multicellular organisms, enabling such processes as embryo development, wound healing, and immune responses. These activities require cells to move freely within tissues. ...
Stolen genes allow parasitic control of behavior of host
A team led by Tappei Mishina at the RIKEN Center for Biosystems Dynamics Research (BDR) has discovered that parasites manipulate their hosts using stolen genes that they likely acquired through a phenomenon called horizontal ...
Evolution
Oct 19, 2023
2
92
'Policing' stops cheaters from dominating groups of cooperative bacteria
For cooperation to persist in the often violently competitive realm of bacteria, cheaters must be kept in line.
Evolution
May 26, 2011
0
0
