A seemingly simple math puzzle is causing quite a bit of trouble. "What will be next?"—can you answer this question by ...

Then count back from 20 to 0. Use the grid below to help you as you count. What do you notice about the second row of numbers? They are all two digit numbers. Now let's have a look at how each ...

Although the basic Sanger method was still being used to sequence whole genomes, time and cost considerations continued to make it expensive, thus limiting the number ... up to 20 million bases ...

A number sequence is a list of numbers that are linked by a rule. If you work out the rule, you can work out the next numbers in the sequence. In this example, the difference between each number is 6.