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
Many genetic mutations in visual pigments, spread over millions of years, were required for humans to evolve from a primitive mammal with a dim, shadowy view of the world into a greater ape able to see all the colors in a ...
Evolution
Dec 18, 2014
15
0
Mined to make the first compass needles, the mineral magnetite is also made by migratory birds and other animals to allow them to sense north and south and thus navigate in cloudy or dark atmospheric conditions or under water. ...
Materials Science
Jan 23, 2017
0
1697
Much of what living cells do is carried out by "molecular machines" – physical complexes of specialized proteins working together to carry out some biological function. How the minute steps of evolution produced these ...
Cell & Microbiology
Jan 8, 2012
21
0
The neocortex is the part of the brain that enables us to speak, dream, or think. The underlying mechanism that led to the expansion of this brain region during evolution, however, is not yet understood. A research team headed ...
Evolution
Nov 26, 2014
0
1
For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral Asian population ...
Evolution
Apr 29, 2009
2
0
New findings from an international team of researchers show that most neanderthals in Europe died off around 50,000 years ago.
Archaeology
Feb 26, 2012
0
0
In 1859, Charles Darwin coined the term "living fossils" to describe organisms that show little species diversity or physical differences from their ancestors in the fossil record. In a new study, Yale researchers provide ...
Plants & Animals
Mar 4, 2024
0
2537
(PhysOrg.com) -- A bacterium whose name was inspired by the Star Wars films has provided new clues into the evolution of our own cells and how they came to possess the vital energy-producing units called mitochondria.
Cell & Microbiology
Dec 9, 2011
10
2
All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.
Evolution
Mar 27, 2012
0
0
