Volume 289, Issue 6
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Features
The New Moon
Recent lunar missions have shown that there is still much to learn about Earth's closest neighbor
Does Race Exist?
If races are defined as genetically discrete groups, no. But researchers can use some genetic information to group individuals into clusters with medical relevance
The Unseen Genome: Beyond DNA
DNA was once considered the sole repository of heritable information. But biologists are starting to decipher a separate, much more malleable layer of information encoded within the chromosomes. Genetics, make way for epigenetics