Why do leopards have spots and zebras have stripes? Many biologists have tried to answer these questions and have provided interesting hypotheses, including camouflage, thermoregulation, and insect repellent. But how did ...
Plants & Animals
Dec 2, 2020
0
33
In the past two decades, researchers have shown that biological traits in both species and individual cells can be shaped by the environment and inherited even without gene mutations, an outcome that contradicts one of the ...
Evolution
Oct 27, 2020
1
144
The lack of certain genes in the BEC/TCEAL cluster could be related to alterations associated with autism spectrum disorder, according to a preclinical study published in the journal Genome Biology and led by Professor Jordi ...
Cell & Microbiology
Oct 26, 2020
0
73
For most vertebrates, losing a limb is permanent, but a lucky few species—such as salamanders and tadpoles—have the ability to completely regrow complex body parts. Understanding the molecular mechanisms underlying this ...
Evolution
Sep 16, 2020
0
335
A new study by an international team of scientists has revealed the developmental and evolutionary mechanisms underlying the origin of a major phylum.
Evolution
Mar 19, 2020
0
164
DNA in preserved museum specimens can allow scientists to explore the history of species and humanities impact on the ecosystem, but samples are typically preserved in formaldehyde which can damage DNA and make very difficult ...
Archaeology
Jan 31, 2020
0
109
The immune system fends off pathogens in a wide variety of ways. For example, the immune system's memory is able to distinguish a foreign protein it has encountered before and to react with a corresponding antibody. Researchers ...
Plants & Animals
Sep 25, 2019
0
40
Duplications of DNA segments are common in the human genome. Duplications have been proposed as an evolutionary mechanism but they can also be associated with human disease. Scientists from the Max Planck Institute for Molecular ...
Biotechnology
Oct 13, 2016
0
10
People have evolved to have subconscious urges to over-eat, and limited ability to avoid becoming obese, especially in winter, a University of Exeter study has found.
Evolution
Jan 5, 2016
0
1522
The Krüppel-like factor and specificity protein (KLF/SP) genes are found across many species, ranging from single cell organisms to humans. This gene family has been conserved during evolution, because it plays a vital role ...
Evolution
Aug 18, 2015
4
983
