Agriculture
Hungry bug seeks hot meal
Middle school science adventures
Seeds of the Future
Amphibians
Bullfrogs
Poison Dart Frogs
Salamanders
Animals
From Chimps to People
Stunts for High-Diving Ants
Monkey Math
Behavior
Supersonic Splash
Mosquito duets
A Light Delay
Birds
Hummingbirds
Birds We Eat
Macaws
Chemistry and Materials
Meteorites may have sparked life on Earth
The chemistry of sleeplessness
Moon Crash, Splash
Computers
A Light Delay
The Shape of the Internet
Graphene's superstrength
Dinosaurs and Fossils
Big Fish in Ancient Waters
Dino Bite Leaves a Tooth
Dino-Dining Dinosaurs
E Learning Jamaica
Results of GSAT are in schools this week
2014 GSAT Results for Jamaican Kids
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
Earth
Explorer of the Extreme Deep
Flower family knows its roots
The Pacific Ocean's Bald Spot
Environment
To Catch a Dragonfly
Indoor ozone stopper
Sea Otters, Kelp, and Killer Whales
Finding the Past
Untangling Human Origins
An Ancient Childhood
Your inner Neandertal
Fish
A Grim Future for Some Killer Whales
Great White Shark
Saltwater Fish
Food and Nutrition
Sponges' secret weapon
Yummy bugs
Food for Life
GSAT English Rules
Capitalization Rules
Who vs. That vs. Which
Whoever vs. Whomever
GSAT Exam Preparation Jamaica
The Annual GSAT Scholarships
10 Common Mistakes When Preparing for the GSAT Math Test
Scotiabank Jamaica Foundation Grade Six Achievement Test (GSAT) Scholarships
GSAT Exams Jamaica Scholarships
Results of GSAT are in schools this week
GSAT Scholarship
GSAT Exam Preparation
GSAT Mathematics
Prime Time for Cicadas
Math Naturals
Setting a Prime Number Record
Human Body
Spit Power
Running with Sneaker Science
Gut Germs to the Rescue
Invertebrates
Moths
Octopuses
Centipedes
Mammals
Narwhals
Ferrets
Basset Hounds
Parents
What Not to Say to Emerging Readers
Raise a Lifelong Reader by Reading Aloud
Children and Media
Physics
Strange Universe: The Stuff of Darkness
IceCube Science
Thinner Air, Less Splatter
Plants
Stalking Plants by Scent
Underwater Jungles
Tracking the Sun Improves Plant Pollen
Reptiles
Sea Turtles
Iguanas
Crocodiles
Space and Astronomy
Roving the Red Planet
Pluto, plutoid: What's in a name?
World of Three Suns
Technology and Engineering
Algae Motors
Crime Lab
Beyond Bar Codes
The Parts of Speech
What is a Verb?
Problems with Prepositions
What is a Preposition?
Transportation
Morphing a Wing to Save Fuel
Charged cars that would charge
Troubles with Hubble
Weather
The Best Defense Is a Good Snow Fence
Warmest Year on Record
A Dire Shortage of Water
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Germ Zapper

You've probably experienced the power of antibiotics. These amazing medicines kill the bacteria that give you strep throat and other infections. Usually, you start feeling better after a day or two of treatment. Antibiotics have become so widely used, however, that many bacteria have developed ways to survive treatment. And when antibiotics stop working, sick people end up getting sicker. Tens of thousands of people die each year as a result. Now, scientists at Merck Research Laboratories in Rahway, N.J., may have found a new weapon against antibiotic-resistant bacteria. Lab tests in mice show that a compound called platensimycin attacks—and kills—certain bacteria in a new way. Antibiotics were developed more than 50 years ago, and most types currently available work the same way as the early kind did. They attack bacteria cell walls. Or, they disable bacteria by knocking out the parts of the cell that make DNA and proteins. Platensimycin takes a different approach. It attacks an enzyme that bacteria need to build and maintain membranes in their cells. Enzymes are types of proteins that make chemical reactions happen more quickly. The neat thing about platensimycin is that it exists in nature. It is, in fact, the fourth natural compound found that targets the same enzyme. It's also, by far, the most powerful of the four compounds. "Nature is telling us again and again that if you want to go after bacteria, go after this enzyme," says Charles O. Rock, a biochemist at St. Jude Children's Research Hospital in Memphis, Tenn. The Merck scientists found platensimycin by sorting through about 250,000 natural compounds. The search led to platensimycin, which is a small molecule made by a bacterium that lives in the soil in South Africa. Scientists aren't yet sure whether platensimycin will work as a drug in people. Still, the research is another example of how good nature can be at solving problems.—E. Sohn

Germ Zapper
Germ Zapper








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