New research from marine biologists offers answers to a fundamental puzzle that had until now remained unsolved: why are some fish warm-blooded when most are not?
Plants & Animals
Jul 1, 2021
0
46
The inner ear of a 400 million-year-old 'platypus fish' has yielded new insights into early vertebrate evolution, suggesting this ancient creature may be more closely related to modern-day sharks and bony fish than previously ...
Evolution
Jan 27, 2021
0
501
The emergence of jaws in primitive fish allowed vertebrates to become top predators. What is less appreciated is another evolutionary innovation that may have been just as important for the success of early vertebrates: the ...
Evolution
Sep 29, 2020
0
172
A research collaboration based at Kumamoto University (Japan) has found that activation of PPARα, a fatty acid receptor that detects fatty acids in cells and regulates physiological functions, causes masculinization of Japanese ...
Plants & Animals
Sep 4, 2020
0
8
The evolution of human teeth began among ancient armored fishes more than 400 million years ago. In the scientific journal Science, an international team led by researchers from Uppsala University presents groundbreaking ...
Archaeology
Jul 9, 2020
0
283
A topic of considerable interest to paleontologists is how dinosaur-dominated ecosystems were structured, how dinosaurs and co-occurring animals were distributed across the landscape, how they interacted with one another, ...
Earth Sciences
Mar 18, 2020
0
663
How can fossils predict the consequences of climate change? A German research team from FAU, the Museum of Natural History Berlin and the Alfred Wegener Institute compared data from fossil and marine organisms living today ...
Ecology
Feb 10, 2020
0
26
At first glance, it looks like a branch of kelp, but then an eye moves among its leafy appendages, and ridges of tiny, translucent fins start to flutter, sending the creature gliding through the water like something from ...
Plants & Animals
May 24, 2019
0
6
At first glance, it looks like a branch of kelp, but then an eye moves among its leafy appendages, and ridges of tiny, translucent fins start to flutter, sending the creature gliding through the water like something from ...
Plants & Animals
May 22, 2019
0
8
Do you know about "comparative spermatology?" It's the science of describing spermatozoa. A first international congress was devoted to it in 1970. In 1976, more than 1,000 animal species had their spermatozoa described by ...
Evolution
Mar 9, 2018
0
11
