The 165-million-year-old fossil of Microdocodon gracilis, a tiny, shrew-like animal, shows the earliest example of modern hyoid bones in mammal evolution.
Archaeology
Jul 18, 2019
0
212
Analysis of the first fully-sequenced genome of the Siberian hamster shows how these small, seasonal breeders adapt their bodies and energy usage to survive the winter.
Biotechnology
Jun 10, 2019
0
96
When Stephen Pruett-Jones, Ph.D., an ecologist at the University of Chicago, first came to Chicago in 1988, he stumbled on a unique piece of the city's history: the monk parakeets of Hyde Park.
Ecology
May 14, 2019
0
627
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
One of the most important questions in biology is how rapidly new proteins evolve in organisms. Proteins are the building blocks that carry out the basic functions of life. As the genes that produce them change, the proteins ...
Ecology
Mar 11, 2019
0
179
Paleontologists at the University of Chicago have discovered the first detailed fossil of a hagfish, the slimy, eel-like carrion feeders of the ocean. The 100-million-year-old fossil helps answer questions about when these ...
Archaeology
Jan 21, 2019
5
568
A dog's gait, according to the American Kennel Club, is "the pattern of footsteps at various rates of speed, each distinguished by a particular rhythm and footfall." When dogs trot, for example, the right front leg and the ...
Plants & Animals
Dec 20, 2018
0
54
Researchers from the University of Chicago have developed a high-throughput RNA sequencing strategy to study the activity of the gut microbiome.
Cell & Microbiology
Dec 17, 2018
0
133
An analysis of Twitter data from the U.S. shows that social media usage largely mirrors daily work schedules and school calendars. The data reflect the amount of "social jet lag" caused when social demands make people wake ...
Social Sciences
Nov 15, 2018
0
52
A multi-center study of the genetic remains of people who settled thousands of years ago in the Andes Mountains of South America reveals a complex picture of human adaptation from early settlement, to a split about 9,000 ...
Archaeology
Nov 8, 2018
6
167
