News
- Materials Science
Conch yields clues for future materials
A conch's tough, calcium carbonate shell resists fractures because a protein surrounds the mineral crystals throughout the shell.
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Prenatal problems linked to schizophrenia
Three large, long-term studies found that periods of oxygen deprivation in the fetus, along with obesity and second-trimester respiratory infections in the mother, are associated with adult schizophrenia.
- Planetary Science
Martian leaks: Hints of present-day water
In some of the coldest regions on Mars, water appears to have recently gushed from just beneath the surface, running down crater walls and steep valleys.
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Human Genome Work Reaches Milestone
Two rival groups jointly announced that each has read essentially all of the 3 billion or so letters that spell out the human genome, the genetic information encoded with the 6 feet of DNA coiled up in every human cell.
