Using lists of names collected from publicly available websites, two University of Chicago researchers have revealed distinctive patterns in higher education systems, ranging from ethnic representation and gender imbalance ...
Social Sciences
Jul 3, 2017
0
372
Only a few genetic changes are needed to spur the evolution of new species—even if the original populations are still in contact and exchanging genes. Once started, however, evolutionary divergence evolves rapidly, ultimately ...
Evolution
Oct 31, 2013
4
2
One of the great transformations required for the descendants of fish to become creatures that could walk on land was the replacement of long, elegant fin rays by fingers and toes. In the Aug. 17, 2016 issue of Nature, scientists ...
Evolution
Aug 17, 2016
0
21
Researchers have long theorized that cultural shifts thousands of years ago from hunting and gathering to agriculture and living in permanent settlements spurred an increase in diseases like smallpox and measles. Compared ...
Evolution
Aug 13, 2019
9
600
A new study at the University of Chicago has shown that elaborate protein structures accumulate over deep time even when they serve no purpose, because a universal biochemical property and the genetic code force natural selection ...
Evolution
Dec 9, 2020
3
4715
One of the key challenges in developing effective, targeted cancer treatments is the heterogeneity of the cancer cells themselves. This variation makes it difficult for the immune system to recognize, respond to and actively ...
Bio & Medicine
Oct 2, 2020
0
646
Statistical analysis of fossil data shows that it is unlikely that Australopithecus sediba, a nearly two-million-year-old, apelike fossil from South Africa, is the direct ancestor of Homo, the genus to which modern-day humans ...
Archaeology
May 8, 2019
1
846
The discovery of well-preserved pelves and a partial pelvic fin from Tiktaalik roseae, a 375 million-year-old transitional species between fish and the first legged animals, reveals that the evolution of hind legs actually ...
Evolution
Jan 13, 2014
0
1
The evolution of the striking, wing-like pectoral fins of skates and rays relied on repurposed genes, according to new research by scientists from the University of Chicago. Studying embryonic skates, they discovered that ...
Evolution
Dec 10, 2015
0
96
The common ancestor of all jawed vertebrates on Earth resembled a shark, according to a new analysis of the braincase of a 290-million-year-old fossil fish that has long puzzled paleontologists.
Plants & Animals
Jun 13, 2012
6
0
