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EarthFlame retardants take a vacation
The lifetime in blood of flame- retarding diphenyl ethers, now-ubiquitous pollutants, ranges from 2 weeks to 2 years, Swedish researchers find.
By Janet Raloff -
Health & MedicineCocoa puffs up insulin in blood
Eating foods flavored with cocoa powder as opposed to other flavorings stimulates surplus production of the sugar-processing hormone insulin, but the metabolic implications of the finding aren’t yet known.
By Ben Harder -
EarthNew PCBs?
New studies have begun linking toxic risks with a ubiquitous family of flame retardants.
By Janet Raloff -
ChemistryThe Nature of Things
An earth scientist's proposed alternative periodic table of elements is emblematic of the growing desire among scientists to recast this 130-year-old chart.