Agriculture
Where Have All the Bees Gone?
Watching out for vultures
Earth-Friendly Fabrics
Amphibians
Newts
Poison Dart Frogs
Salamanders and Newts
Animals
Putting a Mouse on Pause
Roach Love Songs
A Seabird's Endless Summer
Behavior
Monkeys in the Mirror
Nice Chimps
The case of the headless ant
Birds
Hummingbirds
Woodpecker
Macaws
Chemistry and Materials
Popping to Perfection
Spinning Clay into Cotton
The hottest soup in New York
Computers
A Classroom of the Mind
Nonstop Robot
Earth from the inside out
Dinosaurs and Fossils
Fossil Forests
South America's sticky tar pits
Battling Mastodons
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
Ice Age Melting and Rising Seas
Watering the Air
Flower family knows its roots
Environment
Alien Invasions
A Change in Leaf Color
To Catch a Dragonfly
Finding the Past
The Puzzle of Ancient Mariners
Childhood's Long History
Traces of Ancient Campfires
Fish
Carp
Whale Sharks
Eels
Food and Nutrition
Healing Honey
Chew for Health
A Taste for Cheese
GSAT English Rules
Problems with Prepositions
Who vs. That vs. Which
Adjectives and Adverbs
GSAT Exam Preparation Jamaica
Preparing for the GSAT Exam
Ministry of Education Announces 82 GSAT Scholarships for 2010
Tarrant High overcoming the odds
GSAT Exams Jamaica Scholarships
Results of GSAT are in schools this week
GSAT Exam Preparation
GSAT Practice Papers | GSAT Mathematics | Maths
GSAT Mathematics
Play for Science
Math is a real brain bender
How a Venus Flytrap Snaps Shut
Human Body
Opening a Channel for Tasting Salt
Remembering Facts and Feelings
A Long Trek to Asia
Invertebrates
Leeches
Crawfish
Giant Squid
Mammals
Narwhals
Bonobos
St. Bernards
Parents
How children learn
Expert report highlights the importance to parents of reading to children!
The Surprising Meaning and Benefits of Nursery Rhymes
Physics
Invisibility Ring
Dreams of Floating in Space
Extra Strings for New Sounds
Plants
Getting the dirt on carbon
Underwater Jungles
Fastest Plant on Earth
Reptiles
Pythons
Komodo Dragons
Reptiles
Space and Astronomy
A Star's Belt of Dust and Rocks
Ringing Saturn
Planets on the Edge
Technology and Engineering
Machine Copy
Beyond Bar Codes
Young Scientists Take Flight
The Parts of Speech
What is a Noun
Pronouns
Adjectives and Adverbs
Transportation
Troubles with Hubble
Charged cars that would charge
Reach for the Sky
Weather
In Antarctica watch the heat (and your step)
The Best Defense Is a Good Snow Fence
Polar Ice Feels the Heat
Add your Article

Don't Eat That Sandwich!

Oops! In the rush to get to school, you drop a piece of toast on the floor. Do you throw it away or decide it's still OK to eat? If you're like most people, you eat it. Maybe you follow the "5-second rule," which claims foods are safe to eat if you pick them up within 5 seconds of dropping them. But you might want to think again. Scientists now say that 5 seconds are all it takes for foods to become contaminated with enough bacteria to make you sick. Bacteria are single-celled organisms that can cause many kinds of illnesses. Some kinds of bacteria can grow on food. If we eat foods on which these bacteria are growing, we can become sick. Common symptoms include vomiting and diarrhea. One of these food-borne bacteria is Salmonella. It makes 1.4 million people sick every year. Earlier this year, 370 people became sick after eating peanut butter that had been contaminated with Salmonella at the manufacturing plant. Salmonella are often found in raw eggs and chicken. Cooking kills these bacteria, which is why it is so important to cook eggs, chicken, and other foods thoroughly. Being a good housekeeper is a second tip for preventing infection. If household surfaces aren't washed thoroughly, they can support Salmonella for weeks. But how long does it take these bacteria to attach to food? To answer that question, a team of scientists at Clemson University in South Carolina decided to test the 5-second rule, using sandwich ingredients. First, they placed a known amount of Salmonella cells on three surfaces: wood, tile, and carpet. They placed a slice of bread and a slice of bologna on each surface for 5, 30, or 60 seconds. After just 5 seconds, both the bread and bologna picked up enough bacteria to make you sick. "Someone making a sandwich might follow someone who, a day before, used that surface to cut meat or another raw food. It might not look contaminated, but could have bacteria that would be harmful," said Paul Dawson, the food scientist who led the study. So, forget the 5-second rule. If your toast lands on the floor, toss it out. Stick a fresh slice of bread in the toaster. And this time, be careful not to drop it!—Jennifer Cutraro

Don't Eat That Sandwich!
Don't Eat That Sandwich!








Designed and Powered by HBJamaica.com™