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
Once, single-cell life claimed sole dominion over the earth. For some three billion years, unfathomable generations of unicellular organisms ate, grew and reproduced among only each other. They evolved into predators and ...
Cell & Microbiology
Dec 5, 2019
5
3283
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
The parasite trypanosome does not swim through a blood vessel as has always been assumed, it can simply be carried along with the flow. The parasite responsible for tens of thousands of deaths can, however, clings to the ...
Plants & Animals
Sep 26, 2019
0
7
Dogs in tropical Africa run the risk of contracting canine trypanosomosis if they are bitten by bloodsucking tsetse flies carrying trypanosomes—microscopic, single-celled organisms found in the bloodstream. In dogs, this ...
Veterinary medicine
Sep 9, 2019
0
12
