Lungs are essential to many vertebrates including humans. However, four living amphibian clades have independently eliminated pulmonary respiration and lack lungs, breathing primarily through their wet skin. Little is known ...
Plants & Animals
Aug 17, 2022
0
89
Researchers found that different groups of whales and dolphins take varying routes as they develop in a delicate balancing act between their evolutionary history and current environment.
Plants & Animals
Aug 11, 2022
2
590
A pair of researchers at Michigan State University has conducted an experiment with Escherichia coli bacteria meant to help settle a long-time debate in the evolutionary community. They have written a paper describing their ...
We live in a world made and run by RNA, the equally important sibling of the genetic molecule DNA. In fact, evolutionary biologists hypothesize that RNA existed and self-replicated even before the appearance of DNA and the ...
Bio & Medicine
May 2, 2022
0
1882
New examinations of skeletons and animal embryos have allowed researchers to discover how mammals developed protruding, flexible noses. This study contributes to uncovering the origin of mammals' strong sense of smell and ...
Evolution
Nov 1, 2021
1
699
University of Kentucky College of Medicine researchers were part of a new study that gives insight into how limb development evolved in vertebrates.
Evolution
Oct 5, 2021
0
487
Often associated with dirty living conditions and the spread of disease, cockroaches understandably have a bad reputation. But of the 4,600 cockroach species alive today, only a few are considered pests, with most choosing ...
Plants & Animals
Nov 6, 2020
0
80
New research may explain why we sometimes overvalue items we've acquired—to an irrational degree—irrespective of their market or sentimental value. This phenomenon is called the endowment effect, and researchers have ...
Evolution
May 28, 2020
0
406
Few species develop as slowly as humans, both in terms of developing adult skills and brain development. Human infants are born so underdeveloped that they cannot survive without adult care and feeding for some years after ...
Plants & Animals
May 27, 2020
0
72
An international team led by Alexander Suh at Uppsala University has sequenced a chromosome in zebra finches called the germline-restricted chromosome (GRC). This chromosome is only found in germline cells, the cells that ...
Plants & Animals
Dec 2, 2019
0
30
