Feature
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AnimalsNaked and Not
The Damaraland mole rat may be less famous than its naked cousin, but both have some of the oddest social structures found in a mammal.
By Susan Milius -
Nurture Takes the Spotlight
What a person eats, what chemicals he or she is exposed to, and other features of a person's environment chemically modify chromosomes, thereby changing how genes are ultimately expressed.
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PaleontologyAmphibious Ancestors
Newly discovered fossils from Greenland, as well as a reexamination of those of previously known creatures, are providing researchers with additional insights into ancient vertebrates' move from water to land.
By Sid Perkins -
Growing Up Online
New studies probe some of the many ways, both good and bad, that children and teenagers use the Internet and adapt to online communication.