Agriculture
Hungry bug seeks hot meal
Getting the dirt on carbon
Watering the Air
Amphibians
Bullfrogs
Salamanders
Newts
Animals
Insects Take a Breather
Firefly Delight
Armadillo
Behavior
Mind-reading Machine
Double take
Pondering the puzzling platypus
Birds
Blue Jays
Falcons
Emus
Chemistry and Materials
Lighting goes digital
The Incredible Shrunken Kids
Atomic Drive
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Secrets of an Ancient Computer
The hungry blob at the edge of the universe
A Light Delay
Dinosaurs and Fossils
Dinosaur Dig
Three strikes wiped out woolly mammoths
Digging Dinos
E Learning Jamaica
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
2014 GSAT Results for Jamaican Kids
Results of GSAT are in schools this week
Earth
Science loses out when ice caps melt
The Rise of Yellowstone
Less Mixing Can Affect Lake's Ecosystem
Environment
Toxic Cleanups Get a Microbe Boost
Out in the Cold
Bald Eagles Forever
Finding the Past
If Only Bones Could Speak
Stone Tablet May Solve Maya Mystery
Traces of Ancient Campfires
Fish
A Jellyfish's Blurry View
Eels
Sharks
Food and Nutrition
Allergies: From Bee Stings to Peanuts
Chocolate Rules
Healing Honey
GSAT English Rules
Who vs. That vs. Which
Finding Subjects and Verbs
Order of Adjectives
GSAT Exam Preparation Jamaica
GSAT Practice Papers | GSAT Mathematics | Maths
Ministry of Education Announces 82 GSAT Scholarships for 2010
42,000 students will sit for the GSAT Exam in two weeks
GSAT Exams Jamaica Scholarships
GSAT Exam Preparation
42,000 students will sit for the GSAT Exam in two weeks
GSAT stars reap scholarship glory
GSAT Mathematics
Math of the World
Math is a real brain bender
It's a Math World for Animals
Human Body
Opening a Channel for Tasting Salt
Sea Kids See Clearly Underwater
A Long Haul
Invertebrates
Lice
Clams
Sea Urchin
Mammals
Wombats
Pomeranians
Rabbits
Parents
The Surprising Meaning and Benefits of Nursery Rhymes
Expert report highlights the importance to parents of reading to children!
Choosing a Preschool: What to Consider
Physics
Hold on to your stars, ladies and gentlemen
Project Music
Powering Ball Lightning
Plants
Fast-flying fungal spores
Pumping Up Poison Ivy
Sweet, Sticky Science
Reptiles
Reptiles
Lizards
Snapping Turtles
Space and Astronomy
A Great Ball of Fire
Icy Red Planet
Ready, Set, Supernova
Technology and Engineering
Musclebots Take Some Steps
Weaving with Light
A Light Delay
The Parts of Speech
Problems with Prepositions
Adjectives and Adverbs
Pronouns
Transportation
Middle school science adventures
Reach for the Sky
Revving Up Green Machines
Weather
Science loses out when ice caps melt
Weekend Weather Really Is Different
Arctic Melt
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Eating Up Foul Sewage Smells

The smell of rotten eggs that wafts out of wastewater drains and treatment plants is an unwelcome visitor anywhere. In order to meet required standards of air quality, sewage-treatment plants use toxic and expensive chemicals to fight the stench. Now, researchers say they've found a better, cheaper, more natural way to subdue foul sewage smells. The secret? Bacteria and water. The horrible rotten-egg smell of sewage is caused by a gas called hydrogen sulfide. To get rid of it, most treatment plants use devices called chemical scrubbers, which filter the gas through a cocktail of dangerous chemicals. Chemical scrubbers work, but they are expensive and often dangerous. Two researchers tried something different. In a sewage treatment plant in California, they replaced chemical scrubbers with bacteria that break down hydrogen sulfide. The scientists loaded a container with little foam blocks full of the bacteria. Then, they pumped hydrogen gas through the chamber. Finally, they let water constantly trickle over the foam. The system worked so well that the California plant converted several chemical scrubbers to the new kind. If the technique catches on, sewage rot might become equally kind to the earth and to your nose.E. Sohn

Eating Up Foul Sewage Smells
Eating Up Foul Sewage Smells








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