Most people tuck away a $2 bill as a novelty or curiosity when they come across one. You might have a couple stashed in a ...

An advance block is a bearish reversal pattern in candlestick charts, signaling potential trend shifts. Learn its ...

Tourists hold umbrellas to block sunlight in Tian'anmen Square as temperatures climb over 30 C in Beijing on Friday. [WANG XIN/FOR CHINA DAILY] Northern areas receive excessive rain while southern ...

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

Challenge your vision with this mind-bending optical illusion! In a chaotic grid showcasing the number 34, two reversed ...

Zero is definitively an even number, mathematicians confirm. The formal definition states an even number is any whole number divisible by two with no remainder, a rule zero perfectly satisfies (0 = 2 ...

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 ...

HT analysis of CPCB data finds gaps, shifting pollutants, and anomalies may make Delhi’s AQI appear cleaner than real conditions during its most toxic week. Delhi’s official air quality index dropped ...

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 ...

Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, mathematicians have wondered if the prime numbers are truly random, or if ...