Researchers from the Charles University in Prague reconstructed the evolution of brain neuron numbers in amniotes and revealed that mammals and birds have dramatically increased neuron numbers in brain parts associated with ...
Evolution
Mar 8, 2022
0
1143
Many North American migratory birds are shrinking in size as temperatures have warmed over the past 40 years. But those with very big brains, relative to their body size, did not shrink as much as smaller-brained birds, according ...
Ecology
Feb 10, 2022
0
111
A combined team of researchers from the University of Vienna and National Museums Scotland, has found that the brain size of domestic cats is smaller than their African ancestors. In their paper published in the journal Royal ...
Researchers find large hagfishes grow extremely large cells in order to produce stronger threads that are used in their defensive slime, reports a new study from the Chapman University at Orange, California.
Plants & Animals
Sep 30, 2021
0
6
An interdisciplinary team of researchers, led by the Universities of Cambridge and Tübingen, has gathered measurements of body and brain size for over 300 fossils from the genus Homo found across the globe. By combining ...
Evolution
Jul 8, 2021
3
659
A team of researchers at the University of Zurich has found that domestication of cows has led to reduction in cow brain size. In their paper published in Proceedings of the Royal Society B, the group describes comparing ...
Farmed foxes selectively bred for tameness and aggressiveness exhibit similar changes to their brain anatomy, according to research recently published in JNeurosci. Both lineages also have larger brains than conventional ...
Molecular & Computational biology
Jun 14, 2021
0
11
Exactly 30 years ago, I was pondering a graph of primate group sizes plotted against the size of their brains: the larger the brain, the larger the group size. I was curious to know what group size this relationship might ...
Social Sciences
May 13, 2021
1
29
Scientists from Stony Brook University and the Max Planck Institute of Animal Behavior have pieced together a timeline of how brain and body size evolved in mammals over the last 150 million years. The findings, published ...
Plants & Animals
Apr 29, 2021
2
6452
If a friend boasts of having a "big-brained" dog, your reaction is probably not to ask "relative to what?" You would simply assume your friend thinks their dog is pretty smart. But are we always right to equate big brains ...
Plants & Animals
Apr 29, 2021
0
37
