Save guides, add subjects and pick up where you left off with your BBC account. You will need to be confident with arithmetic sequences and the 𝑛th term rule to understand these other types of ...

Unveiling a new chapter in the understanding of human genetics, scientists have discovered a hidden geometric code within our ...

For decades, scientists believed the essence of life was written solely in four chemical bases: A, C, T, and G. Together, they make up the genetic code, the biological “text” that defines who we are.

Several papers have investigated sequences which have no k-term arithmetic progressions, finding bounds on their density and looking at sequences generated by greedy algorithms. Rankin in 1960 ...