Agriculture
Protecting Cows—and People—from a Deadly Disease
Springing forward
Vitamin D-licious Mushrooms
Amphibians
Newts
Poison Dart Frogs
Toads
Animals
Lucky Survival for Black Cats
Poor Devils
A Microbe Nanny for Young Wasps
Behavior
Fear Matters
Baby Number Whizzes
Between a rock and a wet place
Birds
Kingfishers
Rheas
Macaws
Chemistry and Materials
Toxic Dirt + Avian Flu = Science Fair Success
Hitting the redo button on evolution
Heaviest named element is official
Computers
Troubles with Hubble
New twists for phantom limbs
Fingerprint Evidence
Dinosaurs and Fossils
An Ancient Spider's Web
Fingerprinting Fossils
Winged Insects May Go Way Back
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
Easy Ways to Conserve Water
Plastic-munching microbes
Recipe for a Hurricane
Environment
The Wolf and the Cow
The Oily Gulf
Improving the Camel
Finding the Past
A Long Haul
Digging Up Stone Age Art
Meet your mysterious relative
Fish
Carp
Flounder
Catfish
Food and Nutrition
Chocolate Rules
Eat Out, Eat Smart
Symbols from the Stone Age
GSAT English Rules
Capitalization Rules
Subject and Verb Agreement
Order of Adjectives
GSAT Exam Preparation Jamaica
Tarrant High overcoming the odds
The Annual GSAT Scholarships
GSAT Scholarship
GSAT Exams Jamaica Scholarships
GSAT Practice Papers | GSAT Mathematics | Maths
2014 GSAT Results for Jamaican Kids
Results of GSAT are in schools this week
GSAT Mathematics
How to Slice a Cake Fairly
Math Naturals
Math is a real brain bender
Human Body
Taking the sting out of scorpion venom
Attacking Asthma
Heavy Sleep
Invertebrates
Ticks
Giant Clam
Worms
Mammals
Baboons
Cocker Spaniels
Miniature Schnauzers
Parents
How children learn
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
Thinner Air, Less Splatter
Plants
Pumping Up Poison Ivy
When Fungi and Algae Marry
Nature's Alphabet
Reptiles
Caimans
Sea Turtles
Reptiles
Space and Astronomy
Planning for Mars
Melting Snow on Mars
A Dusty Birthplace
Technology and Engineering
Dancing with Robots
Young Scientists Take Flight
Weaving with Light
The Parts of Speech
Countable and Uncountable Nouns
What is a Noun
Pronouns
Transportation
Middle school science adventures
Flying the Hyper Skies
Reach for the Sky
Weather
Antarctica warms, which threatens penguins
Warmest Year on Record
Catching Some Rays
Add your Article

Dolphin Sponge Moms

There are dolphins in Australia that carry sea sponges on their beaks. Worn like a sort of glove, a sponge appears to protect a dolphin when it pokes around on the bottom of the bay where it lives and bumps into stinging critters that lurk down there, waiting to attack. Scientists first spotted the sponging dolphins in Shark Bay 20 years ago, but they didn't know where the behavior came from. Now, a new study suggests that the dolphins don't figure out the trick on their own, nor do they inherit the ability. Instead, they learn it from their mothers. It's an exciting, new example of how animals learn to use tools, then teach others how to use them. Chimpanzees, crows, and other animals do similar things. To investigate the origins of sponging, Michael Krützen of the University of Zurich in Switzerland and his coworkers studied 185 bottlenose dolphins in Shark Bay. Thirteen of the animals used sponges. The rest did not. All but one of the spongers had identical stretches of the genetic material known as DNA, the researchers found. This finding suggested that the sponging dolphins were related to one another and that the sponging trait might be something they were born with. Further investigation, however, showed that genes could not explain the behavior. Most sponging dolphins are female, and spongers live alongside non-spongers. Mother-daughter sponge school is the only explanation that made sense. The study provides a good example of something that these animals have in common with people. Where would you be, after all, without all the things you've learned from adults?—E. Sohn

Dolphin Sponge Moms
Dolphin Sponge Moms








Designed and Powered by HBJamaica.com™