A compilation of images, including a dog, a blind mole rat, and cell micrographs
Our Favorite Cancer Stories of 2021
This year revealed just how much scientists have learned about the disease, from how animals become naturally cancer-resistant to how tumor cells harness extracellular DNA to develop rapid drug resistance.
ABOVE: NEIL POLLOCK, MEDICAL DETECTION DOGS; © MURPHYSCIENCEART.COM; KRISTEN TURNER; UNIVERSITY OF ROCHESTER; O. SAYDAM ET AL., FRONT CELL DEV BIOL, 2021.
Our Favorite Cancer Stories of 2021
Our Favorite Cancer Stories of 2021

This year revealed just how much scientists have learned about the disease, from how animals become naturally cancer-resistant to how tumor cells harness extracellular DNA to develop rapid drug resistance.

This year revealed just how much scientists have learned about the disease, from how animals become naturally cancer-resistant to how tumor cells harness extracellular DNA to develop rapid drug resistance.

ABOVE: NEIL POLLOCK, MEDICAL DETECTION DOGS; © MURPHYSCIENCEART.COM; KRISTEN TURNER; UNIVERSITY OF ROCHESTER; O. SAYDAM ET AL., FRONT CELL DEV BIOL, 2021.

extrachromosomal DNA

photo of marshy wetland in california at sunset
Researchers Find DNA “Borgs” in Methane-Chomping Archaea
Annie Melchor | Jul 20, 2021
Massive extrachromosomal elements named after the hive-minded cyborg villains in Star Trek may be the first of their kind.
Our Expanding Universe
Bob Grant | Apr 1, 2021
As with the evolution of astronomy, new insights in biology beckon just beyond our conceptual and observational reach.
Non-Chromosomal DNA Drives Tumor Evolution
Anna Azvolinsky | Feb 8, 2017
Researchers discover that short pieces of DNA harboring oncogenes are relatively widespread in cancer.
New Type of DNA Discovered?
Sabrina Richards | Mar 8, 2012
Small circles of extrachromosomal DNA appear to be widespread in mammals, and may be byproducts of small deletions in the nuclear DNA of somatic cells.