Behind each “impossible” credit-card trick lies a predictable pattern of visual manipulation, timing, and controlled hand ...

Behind each “impossible” trick lies a predictable scientific principle: limitation of peripheral vision, delayed perception, ...

Struggling to find the perfect gift for a teenager? We rounded up the best gifts for teens — room decor, apparel, beauty ...

See where Grok 4.1 excels on live X sentiment and where it falls short, with scores, comparisons, and guidance on use cases while still in beta ...