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From Bone to Brain: Transplanted male bone marrow makes nerve cells in women and girls
Transplanted bone marrow can form new nerve cells in the brains of people.
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After reading this article, I couldn’t believe that the manuscript didn’t identify the chemical substance involved. Eck Prud’hommeFort Worth, Texas The amino acid mentioned in the story is p -aminophenylalanine .–J. Gorman
- Chemistry
Unnatural Biochemistry: Bacteria make and use an alien amino acid
Researchers have constructed an organism that synthesizes and incorporates an extra amino acid into its proteins.
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Smells Like Emotion: Brain splits duties to sniff out feelings
A study suggests that a brain structure called the amygdala assesses the emotional intensity of both pleasant and unpleasant sensations, thus challenging prior evidence that it primarily coordinates fear responses.
