ScienceNew Scientist’s guide to the 21 best ideas of the 21st century PJanuary 20, 2026January 20, 202601 mins New Scientist’s guide to the 21 best ideas of the 21st century | New Scientist Close Close Post navigation Previous: OpenAI’s 2026 ‘focus’ is ‘practical adoption’Next: At the Center of Trump’s Vision for Rebuilding Ukraine: BlackRock Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.