Biologists have long hoped to understand the nature of the earliest living organisms on Earth. If they could, they might then be able to say something about how, when, and where life arose on Earth, and perhaps by extension, ...
Evolution
Apr 22, 2020
4
466
Researchers investigated the group of microorganisms classified as Asgard archaea, and found a protein in their membrane which acts as a miniature light-activated pump. The schizorhodopsin protein draws protons into the organisms' ...
Cell & Microbiology
Apr 10, 2020
0
180
Scientists from the University of Surrey and University of Geneva have discovered that the bacterium which causes bovine TB can survive and grow in small, single-celled organisms found in soil and dung. It is believed that ...
Cell & Microbiology
Jan 20, 2020
0
558
One of the wonders of cell biology is its symmetry. Mammalian cells have one nucleus and one cell membrane, and most humans have 23 pairs of chromosomes. Trillions of mammalian cells achieve this uniformity—but some consistently ...
Cell & Microbiology
Dec 30, 2019
0
325
Animals evolved from single-celled ancestors, before diversifying into 30 or 40 distinct anatomical designs. When and how animal ancestors made the transition from single-celled microbes to complex multicellular organisms ...
Archaeology
Nov 27, 2019
3
114
Cilia, or flagella—whiplike appendages on cells—perform diverse tasks required to keep the body healthy. When cilia malfunction, the consequences can be devastating, causing a range of problems, from blindness, to lung ...
Cell & Microbiology
Nov 22, 2019
1
166
Nature's most common swimmers are single-celled organisms such as microalgae that swim toward light sources, and sperm cells that swim toward an ovum. For a physicist, cells are simply biochemical machines, which must obey ...
General Physics
Oct 29, 2019
0
32
The Paris zoo's latest attraction is a brainless, eyeless, single-celled organism with no limbs or stomach but more than 700 genders.
Plants & Animals
Oct 17, 2019
5
582
Most plants have plenty of enemies, from insects and other grazing creatures to various diseases, droughts and many other stressors.
Plants & Animals
Oct 15, 2019
0
32
Single celled organisms in the environment are protecting pathogenic bacteria and priming them for human infection, an international team of researchers has discovered.
Cell & Microbiology
Oct 1, 2019
0
18
