(PhysOrg.com) -- In the past 20 years, the Amish population in the US has doubled, increasing from 123,000 in 1991 to 249,000 in 2010. The huge growth stems almost entirely from the religious culture’s high fertility ...
University of South Australia scientists have made a surprising discovery in the origins of an antibiotic-resistant gene previously thought to have been confined to Adelaide.
Molecular & Computational biology
Jan 18, 2022
0
123
Electric organs help electric fish, such as the electric eel, do all sorts of amazing things: They send and receive signals that are akin to bird songs, helping them to recognize other electric fish by species, sex and even ...
Plants & Animals
Jun 1, 2022
2
699
Around 4 billion years ago there lived a microbe called LUCA: the Last Universal Common Ancestor. There is evidence that it could have lived a somewhat 'alien' lifestyle, hidden away deep underground in iron-sulfur rich hydrothermal ...
Evolution
Dec 18, 2018
38
464
More than 150 years ago, Darwin proposed the theory of universal common ancestry (UCA), linking all forms of life by a shared genetic heritage from single-celled microorganisms to humans. Until now, the theory that makes ...
Evolution
May 12, 2010
150
0
It's one of the greatest mysteries of modern science: how did life begin exactly? While most scientists believe that all lifeforms evolved from a common, primitive ancestor microorganism, the details are blurry. What kinds ...
Cell & Microbiology
Jul 26, 2016
20
1975
Geneticists from the Universities of Manchester and Bath are celebrating the discovery of the elusive 'greenbeard gene' that helps explain why organisms are more likely to cooperate with some individuals than others
Biotechnology
Mar 9, 2017
1
325
The Krüppel-like factor and specificity protein (KLF/SP) genes are found across many species, ranging from single cell organisms to humans. This gene family has been conserved during evolution, because it plays a vital role ...
Evolution
Aug 18, 2015
4
983
New research led by the University of Adelaide has found the first tangible evidence that the ancestors of some of Australia's most venomous snakes arrived by sea rather than by land—the dispersal route of most other Australian ...
Plants & Animals
Feb 11, 2022
0
2007
One of the most long-standing, fundamental mysteries of biology surrounds the poorly understood origins of introns. Introns are segments of noncoding DNA that must be removed from the genetic code before it is translated ...
Molecular & Computational biology
Nov 29, 2022
0
1225
