From pine cones to spiral galaxies, fascinating patterns of the Fibonacci sequence occur naturally in nature. Find out how this ancient sequence manifests in our world and beyond. Katie Liu is a ...

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 ...

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 ...

Beat the clock by spotting the pattern in this brainteaser challenge. You'll see a row of different shapes but one shape is missing, replaced by a question mark. It's up to you to figure out what the ...