Karl Simon visits Highgate Cemetery to show us the importance of contrast in black-and-white painting on a tablet.

In late September and early October 2024, a black-and-white photograph circulated on social media purportedly showing the "last giant silicon tree" in 1899.

In late September and early October 2024, a black-and-white photograph circulated on social media purportedly showing the "last giant silicon tree" in 1899.