Striking evidence has emerged that an ancient virus previously known only from fossil evidence has persistently infected some humans at very low levels for hundreds of thousands or even millions of years. This ancient retrovirus ...
Biotechnology
Apr 4, 2016
4
2365
Researchers reporting in Current Biology on April 2 have evidence that an extinct species of monitor lizard had four eyes, a first among known jawed vertebrates. Today, only the jawless lampreys have four eyes.
Archaeology
Apr 2, 2018
2
978
(Medical Xpress)—Individual body odour plays an important role in partner selection. Humans, mice, fish and birds, and probably other vertebrates too, receive important information about a potential partner's immune system ...
Biotechnology
Feb 1, 2013
12
0
Fish do not feel pain the way humans do. That is the conclusion drawn by an international team of researchers consisting of neurobiologists, behavioural ecologists and fishery scientists. One contributor to the landmark study ...
Plants & Animals
Aug 9, 2013
12
1
An international team of researchers has found the first evidence of a dinosaur eating a mammal. In their paper published in Journal of Vertebrate Paleontology, the group describes their reexamination of a fossil found more ...
(PhysOrg.com) -- Nature, in all its glory, is nothing if not thrifty.
Evolution
Jul 27, 2010
12
0
The study of a new species of coelacanth from the Middle Triassic period, with a strange morphology for these fish known as "living fossil," show the formation of several species in a short time, after a mass extinction that ...
Evolution
Jul 20, 2023
0
258
The site of Jehol Biota in China is famous for stunning fossils which preserve soft tissue—skin, organs, feathers, and fur. These fossils offer rare insights into the evolution of characteristics like flight, but they need ...
Ecology
Jan 17, 2023
3
846
Snakes may not have shoulders, but their bodies aren't as simple as commonly thought, according to a new study that could change how scientists think snakes evolved.
Evolution
Jan 5, 2015
6
93
It is an old-standing theory in evolutionary ecology: animal species on islands have the tendency to become either giants or dwarfs in comparison to mainland relatives. Since its formulation in the 1960s, however, the 'island ...
Evolution
Apr 15, 2021
2
285
