DNA barcoding, the brainchild of Canadian geneticist Paul Hebert, is modeled after the Universal Product Code (UPC ... botanical art and anecdotal information. The Food and Drug Administration ...

And the evolutionary view of a single (and very ancient) origin of life is supported at the deepest level imaginable: the very nature of the DNA code in which the instructions of genes and ...

If all the parts of Theseus’ ship are gradually replaced, is it still the same ship? If an artwork exists only as a digital image, is it still the same, or has it become something new?

There are three billion (3,000,000,000) base pairs in the DNA code within each cell. If unwound and tied together, the strands of DNA in one cell would stretch almost six feet but would be only 50 ...