News
- Earth
Protecting Baby: Calcium in pregnancy reduces lead exposure
By taking calcium supplements during pregnancy, a mother can significantly reduce the lead exposure of her fetus.
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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.
- Paleontology
Growth Spurt: Teenage tyrannosaurs packed on the pounds
Detailed analyses of tyrannosaur fossils suggest that the creatures experienced an extended growth spurt during adolescence.
- Health & Medicine
Old-fashioned circumcision can spread herpes
Boys whose ritual circumcisions involve an ancient, and now rare, practice may acquire herpes during the operation.
