If you love optical illusion pictures with answers, this challenge is perfect for you. Can you spot the butterfly in this ...

The company, founded by 25-year-old Kian Sadeghi, announced a $14 million Series A, bringing its total funding to about $32 million. © 2024 TechCrunch. All rights reserved. For personal use only.

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

Do you think you have an above-average IQ? Can your brain process complex details under pressure? IQ tests and brain teasers ...