A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...

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 ...

Today’s challenging puzzle is to find the missing number in a sequence of numbers from 1 to 53. So, if you think you're a genius with an IQ level of 140 or higher, then find the missing number in just ...

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 ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 87, No. 2 (1990), pp. 826-830 (5 pages) We have developed a method for rapidly finding patterns of conserved amino ...

Astronomers are intrigued by a strange series of pulses detected from 3I/ATLAS, an interstellar object in our Solar System.

Recent advances in next-generation sequencing (NGS) make it possible to directly sequence genomes and exomes of individuals with Mendelian diseases and screen sequence data for causal variants. With ...