In the early days, CRISPR gene-editing technology was used to simply make cuts in DNA. Today, it’s being tested as a way to change existing genetic code, even by inserting all-new chunks of DNA or possibly entire genes into someone’s genome. These new techniques mean CRISPR could potentially help treat many more conditions—not all of them genetic. In July 2022, for example, Verve Therapeutics launched a trial of a CRISPR-based therapy that alters genetic code to permanently lower cholesterol levels. The first recipient—a volunteer in New Zealand—has an inherited risk for high cholesterol and already has heart disease. But Kiran Musunuru, cofounder and senior scientific advisor at Verve, thinks that the approach could help almost anyone. The treatment works by permanently switching off a gene that codes for a protein called PCSK9, which seems to play a role in maintaining cholesterol levels in the blood. While newer innovations are still being explored in lab dishes and research animals, CRISPR treatments have already entered human trials.
The man who invented the glass skyscraper
If you’ve always wondered how cities around the world came to have downtown cityscapes that consist mostly of glass and steel skyscrapers that look like vertical ice-cube trays, the man who pioneered this style is German architect Ludwig Mies van der Rohe. Sheehan Quirke, who runs a Twitter account called The Cultural Tutor, has more: “Ludwig Mies van der Rohe, born on March 27th 1886 in Germany, was a talented architect who was influenced by his father’s craft and the Medieval architecture of Aachen. in 1908 he went to Berlin to join the workshop of Peter Behrens. Two other important Modernist architects, Walter Gropius and Le Corbusier, also worked for Behrens around the same time. Van der Rohe proposed a model for a skyscraper in Berlin that was never built, but his ideas of a steel frame and glass curtain wall were revolutionary. He was a key figure in the Modernist movement in Europe and the Bauhaus, and when he emigrated to America in 1938 he changed the look of skyscrapers forever.”
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