Could genetic enhancement eventually make humanity dumber?

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Can twins sense each other?

Can twins sense each other?

We love stories of twins who can sense each other's pain or know what the other is thinking. But can twins really sense each other? Find out.

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  • Darnovsky, Marcy. "We're One Step Closer to Creating Genetically Enhanced Humans." AlterNet. Oct. 19, 2007. (Oct. 8, 2010)
  • Graham, Charles and Jonathan Plucker. "Human Intelligence: The Flynn Effect." Indiana University. July 24, 2008. (Oct. 8, 2010)
  • Hanna, Kathi E. "Genetic Enhancement." National Institutes of Health. April 2006. (Oct. 8, 2010)
  • Newsweek. "A Cure That May Cost Us Ourselves." Jan. 1, 2000. (Oct. 8, 2010)
  • Shimbo, Tonda. "Genetic Engineering as the End of Human Evolution?" Bryn Mawr College. Jan. 17, 2008. (Oct. 8, 2010)
  • University of Illinois. "Without Miracles: Brain Evolution and Development: The Selection of Neurons and Synapsis." (Oct. 8, 2010)
  • Wade, Nicholas. "Researchers Say Human Brain Is Still Evolving." New York Times. Sept. 8, 2005. (Oct. 8, 2010)
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