In most mammals, females have two X chromosomes and males have one X and one Y chromosome in each of their cells. To avoid a double dose of X-linked genes in females, one of the Xs is silenced early in the developmental process. ...
Biotechnology
May 20, 2022
0
37
A new Rice University-led analysis of the remains of ancient predators reveals new information about how prehistoric humans did—or didn't—find their food.
Archaeology
May 2, 2022
0
242
A new breed of honey bees provides a major advance in the global fight against the parasitic Varroa mite, new research shows.
Plants & Animals
Apr 7, 2022
1
2597
Although they are currently the greatest predators on land, it's likely that modern-day cats wouldn't have been a match for the newly discovered Diegoaelurus vanvalkenburghae. At around 42 million years old, it's thought ...
Plants & Animals
Mar 31, 2022
0
48
A team of researchers at the University of Liverpool has tested the assumption that hafted tools (those with handles) provided early humans with enough benefit to warrant their construction and use. In their paper published ...
A first-of-its-kind study at Tel Aviv University asks what drove prehistoric humans to collect and recycle flint tools that had been made, used, and discarded by their predecessors. After examining flint tools from one layer ...
Archaeology
Mar 14, 2022
1
275
Hair is an important feature of primate—including human—diversity and evolution, serving functions tied to thermoregulation, protection, camouflage and signaling. However, the evolution of wild primate hair remained relatively ...
Evolution
Mar 9, 2022
0
230
Researchers from the Babraham Institute have today published their latest work in the journal Cell Stem Cell describing a new subset of human embryonic stem cells that closely resemble the cells present at the genomic 'wake ...
Molecular & Computational biology
Feb 24, 2022
0
40
A new analysis of human remains that were buried in African archaeological sites has produced the earliest DNA from the continent, telling a fascinating tale of how early humans lived, traveled and even found their significant ...
Archaeology
Feb 23, 2022
0
298
A groundbreaking study in prehistoric archaeology at Tel Aviv University provides evidence for high cognitive abilities in early humans who lived 170,000 years ago. In a first-of-its kind study, the researchers developed ...
Archaeology
Feb 1, 2022
1
1715
