Daily briefing: How many elementary particles are there?

A Nature article published online on June 16, 2026, explores the question of how many elementary particles exist, with estimates ranging from 17 to 995.5. The piece also highlights advancements in assistive technology and medical research. One individual with paralysis is now using a brain-computer interface in their home, demonstrating progress in restoring functionality. Additionally, research indicates that GLP-1 obesity drugs may have a positive impact on testosterone levels and sperm quality, suggesting potential broader health benefits beyond weight management. The article touches upon these diverse scientific developments, from fundamental physics to human health and technology.