News
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AnthropologyGene, fossil data back diverse human roots
Ancient mitochondrial DNA extracted from Homo sapiens fossils and anatomical links among H. sapiens crania from different regions both support a theory of geographically diverse human origins.
By Bruce Bower -
Health & MedicineProtein pair induces nerve repair in mice
Mice genetically engineered to make two proteins normally active in early nerve development are able to regrow damaged nerve fibers somewhat in their central nervous systems.
By Nathan Seppa -
Materials ScienceSoybeans could beef up plywood glues
Researchers have replaced animal protein with soybean protein in experimental plywood glue, potentially reducing cost and health worries.
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AstronomyAstronomers find two planetary systems
Each of the newly discovered systems features a star roughly similar to the sun and a bizarre entourage of planets and possibly a failed star that may provide fresh insight into planet formation.