These Mindbending Optical Illusions Will Break Your Brain

Color Constancy

Color constancy is a feature of human color perception, ensuring the perceived color of objects remains relatively consistent regardless of varying illumination. For instance, a green apple looks green to us at midday beneath white sunlight, and also at sunset when the sun is red. This helps us to identify objects.

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The More You Know

  • Grasshopper Mice have evolved to turn scorpion venom into a pain-killer. They now prey on scorpions.
  • Saint Patrick's Day began as a "feast day". To honor him, Christians could put aside their Lenten restrictions on food and alcohol consumption, which is why excessive drinking has become linked to the celebration.
  • Video games help surgeons perform better.
  • The Crown Jewels contain the two biggest cut diamonds on Earth.
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