A US study has reignited debate over the widespread practice of adding fluoride to drinking water. Read more at straitstimes.com.

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Test your IQ and observation skills with this thrilling optical illusion puzzle! Can you find the hidden number 6 among 8s in just 5 seconds?

IQ tests are an excellent way to evaluate an individual’s intelligence. These tests usually present a problem or challenge ...

Can AI pass Humanity’s Last Exam? Discover the bold benchmark redefining artificial intelligence and its potential.