All vertebrates have the same basic body plan: Head, spine, four appendages. Those appendages vary greatly in size, shape, and function, of course—from fins to wings, arms, and legs—but a new genetic analysis shows that ...
Plants & Animals
Nov 8, 2021
0
183
If you feel like your metabolism just isn't what it used to be, no matter how many hours you spend in the gym, dolphins can relate.
Plants & Animals
Aug 13, 2021
0
1195
In the movie "A Fish Called Wanda," the villain Otto effortlessly gobbles up all the occupants of Ken`s fish tank. Reality, however, is more daunting. At least one unfortunate fan who re-enacted this scene was hospitalized ...
Plants & Animals
Jul 5, 2021
0
10
During the era of commercial whaling, fin whales were hunted so intensively that only a small percentage of the population in the Southern Hemisphere survived, and even today, marine biologists know little about the life ...
Plants & Animals
May 28, 2021
0
24
People traditionally think that lungs and limbs are key innovations that came with the vertebrate transition from water to land. But in fact, the genetic basis of air-breathing and limb movement was already established in ...
Evolution
Feb 4, 2021
0
3632
A large team of researchers affiliated with multiple institutions in China has sequenced the genomes of a large number of goldfish and carp, revealing much of their shared origin. They've published their results in the Proceedings ...
A team of researchers affiliated with several institutions in the U.S. has found that most shark fins sold around the world in fish markets come from sharks caught in coastal zones rather than in the open ocean. In their ...
The evolution of limbs with functional digits from fish fins happened approximately 400 million years ago in the Devonian. This morphological transition allowed vertebrates to leave the water to conquer land and gave rise ...
Plants & Animals
Aug 19, 2020
2
719
Thousands of chemical processes used by the energy industry and for other applications rely on the high speed of catalytic reactions, but molecules frequently are hindered by molecular traffic jams that slow them down. Now ...
Materials Science
Aug 10, 2020
0
34
Hauffiopteryx altera (Latin for different from) has been identified as a new species of Ichthyosaurs by researchers from McGill University and the State Museum of Natural History Stuttgart in Germany.
Archaeology
Jul 3, 2020
0
595
