How to stay smart in the age of AI: the science of critical thinking

Nature's publication of a study on “the science of critical thinking” warns that pervasive AI use can blunt memory and reasoning, highlighting the cognitive risks of unchecked AI interaction. For website owners, this signals a surge in AI‑generated traffic that may not be genuinely interested in content but is instead testing AI comprehension, leading to inflated bounce rates and distorted engagement metrics. Sites that host educational or knowledge‑base material are especially vulnerable, as AI crawlers may scrape articles to train models, potentially violating copyright and affecting SEO performance. To safeguard against these impacts, first add a dedicated `User‑Agent: *` rule in your `llms.txt` that disallows generic AI crawlers from indexing full‑text pages, while permitting human browsers. Second, implement bot‑detection scripts that flag unusually rapid navigation patterns typical of AI agents, allowing you to route them to a lightweight summary or a CAPTCHA. Finally, regularly audit your traffic logs for spikes in AI‑originated requests and adjust your `llms.txt` directives to block new model identifiers as they appear.