Evolving a bigger brain with human DNA

The size of the human brain expanded dramatically during the course of evolution, imparting us with unique capabilities to use abstract language and do complex math. But how did the human brain get larger than that of our ...

Japan OKs world's first iPS stemcell clinical trial

Japan has given the green light to the world's first clinical trial using stem cells harvested from a patient's own body, officials said Thursday, testing a treatment that may offer hope to millions of people robbed of their ...

Researchers generate human-monkey chimeric embryos

Investigators in China and the United States have injected human stem cells into primate embryos and were able to grow chimeric embryos for a significant period of time—up to 20 days. The research, despite its ethical concerns, ...

Scientists discover plant 'brain' controlling seed development

A new study by scientists at the University of Birmingham has revealed a group of cells that function as a 'brain' for plant embryos, capable of assessing environmental conditions and dictating when seeds will germinate.

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