Seeing a rare species like the arctic-dwelling snowy owl so close to home was both thrilling and disconcerting for avid birder Lon James. James, a native of the Philippines who now lives in ...

Challenge yourself with a number puzzle where an odd number lurks among '2222.' The key to solving lies in relaxing your gaze, breaking the image into quadrants, and identifying irregularities. This ...

At first glance, this image looks like a clean, colorful grid of numbers, just a repeating pattern of green and purple circles with familiar digits like “12” and “21.” But don’t be fooled. Hidden ...

Readers are challenged to spot the odd number in a grid filled with the number 278. The puzzle tests attention to detail and pattern recognition. The brain's pattern recognition may cause difficulty ...

Delhi faces a problem greater than the toxic air itself, a problem with the data meant to measure it. Between November 2 and 5, the city's average AQI dropped from 366 to 281. On paper, that suggests ...

Optical illusions are visual puzzles that are designed in such a way that they can cause the brain to interpret what it sees differently from physical reality. These illusions don't mean that there is ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

We humans readily perceive patterns. We see rabbits in summer clouds and even a face on the Moon. For astronomers, however, designs are most trusted when they’re mathematical.