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Health & MedicineBone Builder: New drug could heal hard-to-mend fractures
A synthetic compound can heal broken bones that are so damaged they don't knit on their own, a study in rats and dogs shows.
By Nathan Seppa -
Materials ScienceMelt-Resistant Metals: Carbon coating keeps atoms in order
Shrink-wrapped in carbon, nanoscale metal chunks melt at extraordinarily high temperatures, suggesting carbon coatings as a route to higher heat resistance for materials and devices.
By Peter Weiss -
Gypsy Secret: Children of sea see clearly underwater
Children who regularly dive to collect food have better-than-normal underwater vision because their eyes adapt to the liquid environment.
By John Travis -
TechColumbia Disaster Working Hypothesis: Wing hit by debris
The independent board investigating the breakup of the space shuttle presented its first detailed account of what might have caused the Feb.