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New optical illusion: Hidden frog in a water tank baffles Reddit users. Can you solve this puzzle?
A Reddit post from San Francisco’s California Academy of Sciences sparks an online frenzy as users struggle to spot a camouflaged frog in a water tank photo.
Octopuses’ response to a human illusion suggests a sense of body ownership ...
Construction on Norton's 126-foot water tower began last year. On Monday, the 750,000-gallon tank was raised to the roof.
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