The great age of the embryos is unusual because almost all known dinosaur embryos are from the Cretaceous Period. The Cretaceous ended some 125 million years after the bones at the Lufeng site were buried and fossilized.
Archaeology
Apr 10, 2013
2
1
If you look at a nerve cell, a muscle cell, or a skin cell under the microscope, they appear strikingly different. However, every cell in our body has the same DNA and has descended from a common ancestorāthe fertilized ...
Cell & Microbiology
Mar 11, 2024
0
21
Researchers report February 29 in the journal Cell Reports that the Golgi ribbon, an organelle structure previously thought to be exclusive to vertebrates, is also present in animal taxa, including mollusks, earthworms, and ...
Cell & Microbiology
Feb 29, 2024
0
71
Macropinocytosis is one of the major pathways by which cells non-selectively internalize extracellular fluids. The laboratory strain Dictyostelium discoideum serves as a valuable model for studying the regulation of macropinocytosis.
Cell & Microbiology
Feb 21, 2024
0
11
A new study led by scientists at Uppsala University and INRAE/UniversiteĢ Paris-Saclay has discovered that the pro-viral host protein ZC3H11A plays a critical role in maintaining embryo viability during early development. ...
Cell & Microbiology
May 31, 2023
0
9
New research on dampwood termites (Zootermopsis angusticollis and A. nevdensis) shows select members of the colony will experience brain changes in anticipation of cognitive demand.
Plants & Animals
Oct 20, 2021
0
57
Early in human development, during the first trimester of gestation, a fetus may have XX or XY chromosomes that indicate its sex. Yet at this stage a mass of cells known as the bipotential gonad that ultimately develops into ...
Evolution
May 5, 2021
0
31
A partial skeleton of Homo naledi represents a rare case of an immature individual, shedding light on the evolution of growth and development in human ancestry, according to a study published April 1, 2020 in the open-access ...
Archaeology
Apr 1, 2020
0
267
The identification of an insect-specific metal-sensing receptor in the gut lining highlights a possible new way to curb populations of disease-transmitting insects such as mosquitoes.
Cell & Microbiology
Mar 18, 2020
0
33
Camponotini ant species have their own distinct microbiomes and the bacteria may also vary by developmental stage, according to a study published November 22, 2017 in the open-access journal PLOS ONE by Manuela Oliveira Ramalho ...
Plants & Animals
Nov 22, 2017
0
34
