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Microbes at the Gas Pump
Watering the Air
Frogs and Toads
Tree Frogs
Sea Lilies on the Run
A Fallout Feast for Crabs
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Baby Talk
The Science Fair Circuit
Chemistry and Materials
Small but WISE
Hair Detectives
The Taste of Bubbles
A Light Delay
The Shape of the Internet
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Dinosaurs and Fossils
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Deep History
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The Wolf and the Cow
City Trees Beat Country Trees
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Finding the Past
Salt and Early Civilization
Decoding a Beverage Jar
If Only Bones Could Speak
Electric Eel
A Jellyfish's Blurry View
Puffer Fish
Food and Nutrition
The Essence of Celery
Turning to Sweets, Fats to Calm the Brain
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GSAT English Rules
Finding Subjects and Verbs
Order of Adjectives
Who vs. Whom
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How a Venus Flytrap Snaps Shut
Human Body
Heart Revival
Walking to Exercise the Brain
Flu Patrol
Cornish Rex
The Surprising Meaning and Benefits of Nursery Rhymes
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What Not to Say to Emerging Readers
IceCube Science
Black Hole Journey
The Particle Zoo
Tracking the Sun Improves Plant Pollen
Farms sprout in cities
Surprise Visitor
Copperhead Snakes
Snapping Turtles
Space and Astronomy
A Planet from the Early Universe
Pluto, plutoid: What's in a name?
A Darker, Warmer Red Planet
Technology and Engineering
Shape Shifting
Sugar Power for Cell Phones
Algae Motors
The Parts of Speech
Adjectives and Adverbs
Problems with Prepositions
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Charged cars that would charge
Revving Up Green Machines
Robots on a Rocky Road
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The solar system's biggest junkyard
Where rivers run uphill
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Lost Sight, Found Sound

In some children who go blind, certain parts of the brain that normally control vision appear to switch jobs and focus instead on sound, a new study has found. The study, by researchers at the University of Montreal, involved 7 adults who could see and 12 adults who had lost their vision when they were children. Each participant sat in a room with 16 loudspeakers at different locations. The room was designed so that there were no echoes. During the experiment, the speakers randomly produced sounds. Participants had to point to where the sounds were coming from. Meanwhile, the researchers monitored blood flow in the brains of the participants to see which brain structures were working during the task. The results showed that five of the blind participants were very good at pointing to where sounds were coming from. In these people, blood flow increased in the visual cortex—an area at the back of the right side of the brain. This part of the brain is usually associated with vision. The other seven blind participants showed no increase in activity in the visual cortex. These people didn't do very well at picking out where sounds were coming from. Now, the researchers are looking at whether these people have gained a heightened sense of touch instead of sound to replace their lost vision. The scientists say that their study shows how adaptable parts of the brain can be.—E. Sohn

Lost Sight, Found Sound
Lost Sight, Found Sound

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