These septaria-skeletons represent quartzose infillings of the cracks of the septarian nodules, and they are set free by the weathering of the surrounding nodule material.

A small nodule was found in former President Joe Biden's prostate during a routine physical exam that he recently received, media reports say.

Former President Biden’s regular medical exam last week revealed a “small nodule” on his prostate, his spokesperson confirmed Tuesday. “In a routine physical exam a small nodule w… ...

Doctors discovered a “small nodule” in former President Joe Biden’s prostate during a recent physical exam, it has been revealed.

Further testing would be needed to determine if a nodule points to prostate cancer or is benign, meaning noncancerous.

Joe Biden has a small nodule on his prostate during 'a routine physical exam' that 'necessitated further evaluation,' a spokesperson told ABC News ...

Biden, 82, spent last Friday at a hospital in Philadelphia after a “small nodule” was discovered on his prostate during a routine physical exam, according to The New York Times.

Former President Joe Biden will undergo further testing after doctors found a "small nodule" in his prostate. What does that mean? Is it cancerous?

A small nodule was found in former President Joe Biden's prostate after "a routine physical exam" at a hospital in Philadelphia, a spokesperson confirmed to ABC News on Tuesday.