Researchers at Ruhr University Bochum explain how it is possible for the small brains of pigeons, parrots and corvids to perform equally well as those of mammals, despite their significant differences.
Plants & Animals
Mar 6, 2024
0
50
"Random DNA" is naturally active in the one-celled fungi yeast, while such DNA is turned off as its natural state in mammalian cells, despite their having a common ancestor a billion years ago and the same basic molecular ...
Evolution
Mar 6, 2024
0
13
Some of our genes can be expressed or silenced depending on whether we inherited them from our mother or our father. The mechanism behind this phenomenon, known as genomic imprinting, is determined by DNA modifications during ...
Evolution
Mar 6, 2024
0
33
Stingless bees in the Colombian Andes are adapting to a derivative of the ubiquitous insecticide ivermectin, which the bees ingest along with pollen from pasture flowers, according to a new study.
Evolution
Mar 6, 2024
0
122
Paleontologists have discovered a strange new species of marine lizard with dagger-like teeth that lived near the end of the age of dinosaurs. Their findings, published in Cretaceous Research, show a dramatically different ...
Evolution
Mar 5, 2024
0
708
In 1859, Charles Darwin coined the term "living fossils" to describe organisms that show little species diversity or physical differences from their ancestors in the fossil record. In a new study, Yale researchers provide ...
Plants & Animals
Mar 4, 2024
0
2537
Charles Darwin described evolution as "descent with modification." Genetic information in the form of DNA sequences is copied and passed down from one generation to the next. But this process must also be somewhat flexible, ...
Evolution
Mar 4, 2024
0
342
You'd probably walk past a chiton without even seeing it. These creatures often look like nothing more than another speck of seaweed on the crusty intertidal rocks. But it sees you. At least, if it's one of the species with ...
Plants & Animals
Mar 4, 2024
1
97
Put the word "evolution" into Google images and the results are largely variations on one theme: Ralph Zallinger's illustration, March of Progress. Running left to right, we see a chimp-like knuckle walker gradually becoming ...
Evolution
Mar 3, 2024
5
299
The Dental Anthropology Group at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) has published a paper in the American Journal of Biological Anthropology on the morphological differences between ...
Evolution
Mar 1, 2024
0
5
