Earth
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Tech
Cracked sewers bleed fecal germs
Studies follow leaks into waterways and drinking supplies.
By Janet Raloff -
Humans
EPA considers new call for toxicity testing of BPA
The Environmental Protection Agency solicited public comment, July 26, about whether to require new toxicity testing and environmental sampling of bisphenol A, an ingredient in many plastics and food-contact resins.
By Janet Raloff -
Earth
Earth/Environment
A killer methane belch, radon-siphoning trees, deep oil-spill science and more in this week’s news.
By Science News -
Earth
Small volcanoes add up to cooler climate
Airborne particles sent skyward by eruptions since 2000 have counteracted the warming effects of increasing atmospheric carbon dioxide.
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Earth
Earth/Environment
Tracking carbon dioxide, fingerprinting uranium and understanding phthalates in boys in this week's news.
By Science News -
Tech
Airports’ leaden fallout may taint some kids
People who live below the flight path of piston-engine aircraft — or downwind of airports serving such small planes — are exposed to lead from aviation fuel. A new study now links an airport’s proximity to somewhat elevated blood-lead levels in children from area homes.
By Janet Raloff -
Life
Oil spill didn’t hurt seagrass-dwelling juvenile fish
Long-term effects of early exposure to hydrocarbons remains unknown.
By Janet Raloff -
Humans
Young minds at risk from secondhand smoke
Children exposed to secondhand smoke at home are at least twice as likely to develop a neurobehavioral disorder as are kids in smokefree homes, a new study finds. And roughly 6 percent of U.S. children — some 4.8 million — encounter smoke at home.
By Janet Raloff -
Earth
Simulation tracks ocean’s missing heat
Climate scientists suggest energy is buried deep undersea or released to space.
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Humans
Metal water bottles may leach BPA
Consumers who switched from polycarbonate-plastic water bottles to metal ones in hopes of avoiding the risk that bisphenol A will leach into their beverages aren’t necessarily any better off, a new study finds. Some metal water bottles leach even more BPA — an estrogen-mimicking pollutant — than do ones made from the now-pariah plastic.
By Janet Raloff -
Earth
Earth & Environment
Mountaintop mining, plastic fish and the return of the right whale in this week's news
By Science News -
Tech
Some comfort about broken CFLs
My night-owl daughter woke me in a panic at around 2 a.m., a couple of weeks back. While swatting at a fly, she’d just broken the compact fluorescent light illuminating her closet. Having heard me warn endlessly of how we should be careful in handling these bulbs — since they contain mercury — she wanted to know what kind of damage control was called for. I only wish I knew then what I do now.
By Janet Raloff