The Download: our bodies’ memories, and Traton’s electric trucks

The article discusses how our bodies remember movements and exercise, with muscles themselves having memory. Traton, a subsidiary of Volkswagen, is producing zero-emission electric trucks to reduce carbon emissions in the transportation sector. A new test is being developed to measure immune health, providing a score to assess immune system status. The piece also highlights China's crackdown on Nvidia's China-specific chips and Tesla's 'full self-driving' feature under investigation.