Prime numbers are the ones that have only two factors: 1 and itself. Credit: Ssindhwani / Wikimedia Commons Prime numbers are those divisible only by themselves and by one. Despite their apparent ...

A viral number sequence puzzle challenges players to find the next number in “2, 6, 12, 20, 30, ?”. Test your analytical skills and see if you can solve it.

This brain teaser challenges you to find the missing number in a sequence following a doubling pattern. Starting with 4, the sequence grows with differences that double each time. The answer is 97, ...

Being able to guess the correct pattern in a puzzle shows that your cognitive and mental abilities are sharp. Such puzzles help in improving problem-solving skills, boost your memory, promote ...

An optical illusion challenges viewers to find a subtle anomaly within a repeating pattern of the letters HJKL. The brain's ...

The Plant Cell, Vol. 6, No. 12 (Dec., 1994), pp. 1877-1887 (11 pages) The homeobox of the knotted1 (kn1) gene was used to isolate 12 related sequences in maize. The homeodomains encoded by the ...