News
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EarthProtecting Baby: Calcium in pregnancy reduces lead exposure
By taking calcium supplements during pregnancy, a mother can significantly reduce the lead exposure of her fetus.
By Carrie Lock -
Glowing Trio under the Sea: Nitrogen fixer joins algae inside coral
A coral that fluoresces orange appears to be the first ever found to contain a symbiotic microbe that converts nitrogen into a biologically useful form.
By Susan Milius -
PaleontologyGrowth Spurt: Teenage tyrannosaurs packed on the pounds
Detailed analyses of tyrannosaur fossils suggest that the creatures experienced an extended growth spurt during adolescence.
By Sid Perkins -
PlantsLowering lilies on the tree of life
Water lilies may belong on the lowest branch of the family tree of flowering plants, along with a shrub called Amborella.