Although there is only one human genome sequence, different genes are expressed in many different cell types and tissues, as well as in different developmental stages or diseases. The structure of ...

Mars Perseverance rover found hundreds of complex carbon signatures in Jezero Crater mudstones - compelling evidence, but not ...

A new blood test analyzes DNA fragments to screen for 50 types of cancer simultaneously. The $949 Galleri test detected tumors in 133 out of 216 patients who showed positive signals during clinical ...

Using a portable sensor, the technology analyzes exhaled biomarkers to detect lung conditions without a lab test or chest ...

A paper published in the journal Biomarker Research by a cross-university team led by Queen Mary University of London ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Sylvia Jones Minister of Health 5 th Floor 777 Bay St., Toronto, ON M7A 2J3. By email: sylvia.jones@ontario.ca. Dear Minister Jones ...

The exponential growth in molecular sequence data started in the early 1980s when methods for DNA sequencing became widely available. The data were accumulated in databases such as GenBank, EMBL ...

After several examples of undisclosed alterations in reagent suppliers’ antibody catalogues surfaced, researchers call for transparency to rebuild trust.

The PNAS Editorial Board is made up of NAS members who are active scientists and experts in their fields. On submission, your paper is assigned to an Editorial Board member in one of the 31 NAS ...