3D mouth of an ancient jawless fish suggests they were filter-feeders, not scavengers or hunters
Early jawless fish were likely to have used bony projections surrounding their mouths to modify their mouth shape while they collected food.
Early jawless fish were likely to have used bony projections surrounding their mouths to modify their mouth shape while they collected food.
Evolution
Apr 10, 2024
0
96
A trio of psychologists at Wilfrid Laurier University, in Canada, has found evidence that at least one type of snake may have self-recognition. In their study, published in Proceedings of the Royal Society B: Biological Sciences, ...
Fossilized mating insects are an irreplaceable find for understanding the evolution of mating behaviors and life history traits in the deep-time record of insects.
Paleontology & Fossils
Apr 3, 2024
0
66
For the first time in history, a single language dominates global scientific communication. But the actual production of knowledge continues to be a multilingual enterprise.
Social Sciences
Mar 23, 2024
3
921
Scientists have long suspected that nematodes—commonly known as roundworms—inhabit Utah's Great Salt Lake sediments, but until recently, no one had actually recovered any there.
Plants & Animals
Mar 13, 2024
0
14
The fertility of both female and male tsetse flies is affected by a single burst of hot weather, researchers at the University of Bristol and Stellenbosch University in South Africa have found.
Plants & Animals
Mar 12, 2024
0
38
A trio of German entomologists has found that young monarch caterpillars switch from avoiding milkweed-toxin-rich latex to eating it as they get older. Their paper is published in the journal Proceedings of the Royal Society ...
A small international team of animal behavior researchers has found that species of glass frogs whose males help care for offspring tend to have smaller testes than species whose males do not help care for offspring. In their ...
Seaports act as hubs for the global spread of MtrBTN2, a rare contagious cancer affecting mussels. In this disease, cancer cells can be transmitted, like parasites, from one mussel to another nearby.
Ecology
Feb 21, 2024
0
1
A boisterous young chimpanzee slaps an adult in his family on the back, then scampers away and looks back to see the response to his cheekiness.
Plants & Animals
Feb 18, 2024
0
30