Agriculture
Flush-Free Fertilizer
Cleaning Up Fish Farms
Protecting Cows—and People—from a Deadly Disease
Amphibians
Poison Dart Frogs
Frogs and Toads
Bullfrogs
Animals
Koalas, Up Close and Personal
Revenge of the Cowbirds
Assembling the Tree of Life
Behavior
Monkeys in the Mirror
Double take
A Grim Future for Some Killer Whales
Birds
Peafowl
Hummingbirds
Tropical Birds
Chemistry and Materials
Hair Detectives
Graphene's superstrength
Cooking Up Superhard Diamonds
Computers
It's a Small E-mail World After All
Hitting the redo button on evolution
A Classroom of the Mind
Dinosaurs and Fossils
Mini T. rex
Dino Bite Leaves a Tooth
A Really Big (but Extinct) Rodent
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Results of GSAT are in schools this week
2014 GSAT Results for Jamaican Kids
Earth
Undersea Vent System Active for Ages
Island of Hope
Petrified Lightning
Environment
Plastic Meals for Seals
Island Extinctions
The Oily Gulf
Finding the Past
A Long Trek to Asia
Early Maya Writing
Decoding a Beverage Jar
Fish
Dogfish
Tuna
Skates
Food and Nutrition
Sponges' secret weapon
In Search of the Perfect French Fry
A Taste for Cheese
GSAT English Rules
Adjectives and Adverbs
Order of Adjectives
Who vs. That vs. Which
GSAT Exam Preparation Jamaica
How are students placed after passing the GSAT exam
Mastering The GSAT Exam
2014 GSAT Results for Jamaican Kids
GSAT Exams Jamaica Scholarships
GSAT stars reap scholarship glory
GSAT Practice Papers | GSAT Mathematics | Maths
Results of GSAT are in schools this week
GSAT Mathematics
42,000 students will sit for the GSAT Exam in two weeks
Setting a Prime Number Record
A Sweet Advance in Candy Packing
Human Body
Kids now getting 'adult' disease
Cell Phone Tattlers
A New Touch
Invertebrates
Earthworms
Worms
Nautiluses
Mammals
Manatees
Asiatic Bears
Little Brown Bats
Parents
The Surprising Meaning and Benefits of Nursery Rhymes
Choosing a Preschool: What to Consider
Expert report highlights the importance to parents of reading to children!
Physics
Electric Backpack
Project Music
Thinner Air, Less Splatter
Plants
Getting the dirt on carbon
Flower family knows its roots
A Giant Flower's New Family
Reptiles
Lizards
Gila Monsters
Tortoises
Space and Astronomy
Big Galaxy Swallows Little Galaxy
A Smashing Display
A Planet's Slim-Fast Plan
Technology and Engineering
Shape Shifting
Sugar Power for Cell Phones
Are Propellers Fin-ished?
The Parts of Speech
What is a Preposition?
Problems with Prepositions
Adjectives and Adverbs
Transportation
Robots on a Rocky Road
Tinkering With the Basic Bike
How to Fly Like a Bat
Weather
Science loses out when ice caps melt
Warmest Year on Record
Watering the Air
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Nonstop Robot

In some of the scariest science fiction scenarios, evil robots refuse to die, no matter how fiercely people fight back. Now, science fiction has edged into science fact. For the first time, researchers have created a robotic machine that can take a beating and keep on trucking. Developed by scientists from Cornell University and the University of Vermont, the new robot looks like a spider with four legs. Until now, even the most advanced robot was almost certain to break down when damaged. That's because its internal computer simply doesn't know how to operate the machine after its shape has changed. To get around this problem, the spidery robot's developers equipped their invention with eight motors and two sensors that read how the machine is tilting. The motors and sensors all provide electrical signals to the machine's software. Using this information, the system follows a new procedure to figure out the machine's shape at any given moment. The program chooses from among 100,000 possible arrangements of parts. From there, the computer considers a wide variety of possible next steps, and it calculates how best to move the robot forward the longest possible distance, before trying to move again. The new strategy is a major advance in robotics, scientists say, and it's far from scary. The technology may someday help researchers create better artificial limbs that give new freedom to people who lack arms and legs. The new knowledge might also help scientists understand how people and animals figure out their own sense of place in space. "Designing robots that can adapt to changing environments and can compensate for damage has been a difficult problem," says neuroscientist Olaf Sporns of Indiana University in Bloomington. "This work provides a new way toward solving this important problem."—E. Sohn

Nonstop Robot
Nonstop Robot








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