Early human evolution may have been more complex than scientists previously thought, with modern humans evolving from two ...

Down syndrome is a genetic disorder caused by an extra chromosome 21, affecting brain and body development. It leads to cognitive delays, physical differences, and health challenges., Health News - Ti ...

It is a genetic condition caused when an unusual cell division result in an extra full or even partial copy of chromosome 21.

We've long assumed our species evolved from a tidy, single stream of ancestors. But life on Earth is never quite so ...

Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long before modern humans spread across the globe.

A new study reveals that a mysterious human ancestors contributed 20% of modern human genes, potentially enhancing brain ...

Cambridge University researchers have uncovered evidence that two distinct populations of ancient hominins, separated for ...

The research reveals that early humans systematically and methodically produced bone tools 1.5 million years ago. This discovery marks a significant breakthrough in the study of human origins. Before ...

In Olduvai Gorge, archaeologists have discovered a range of bone tools thought to have been made and used by an ancestral human species of hominid called Homo habilis 1.5 million years ago. Known as ...

the second X chromosome in female cells that was previously considered ‘silent’. Why the sexes don’t feel pain the same way In work published today in the journal Science Advances 1 ...

1 Sexually Transmitted and Blood-Borne Infections Division, National Microbiology Laboratories, Public Health Agency of Canada, Winnipeg, MB, Canada 2 Department of Medical Microbiology and Infectious ...

The final, formatted version of the article will be published soon. The Y chromosome, transmitted exclusively through the paternal line, is a well-established tool for verifying genealogical data. The ...