Science World articles from October 2004

Science World archives from October 2004

Comeback kid.(Graph IT/Life)
October 11, 2004... Bald eagles are back. Once rare, the number of eagles is now so high that these raptors (birds of prey) may soon lose their spot on the government's list of endangered species. Habitat loss, hunting, and DDT poisoning brought eagles to near...

Detecting danger.(Health/Allergies)(Brief Article)
October 11, 2004... Your throat tightens. You can't breathe. For people allergic to nuts, exposure can be deadly. Now, Florida scientists have developed sensitive tests that detect even tiny amounts of allergy-causing nut proteins (chemicals made of chains of...

Blast from the past.(Earth/Climate)(Brief Article)
October 11, 2004... No need for a time machine. Scientists are spying on Earth's past by studying the world's longest ice core (rod of ice). Using high-tech drills, scientists hauled up the 3.2 kilometer (2 mile)-long hunk of Antarctic ice. "It's very...

All shook up!(Earth/Earthquakes)
October 11, 2004... An earthquake in Alaska didn't just rock the locals. It caused a shake-up 3,100 kilometers (2,000 miles) away in Yellowstone National Park. Scientists found that the quake jolted the park's geysers (springs that spout jets of hot water and...

Dry cleaning.(Physical/Chemistry)(Brief Article)
October 11, 2004... Tired of your dirty clothes piling up? Here's a solution: A new self-cleaning fabric--all it needs is sunlight. Researchers at Hong Kong Polytechnic University coated cotton fabric with titanium dioxide (chemical with one titanium and two...

On top of the world: discover what it takes to conquer Mount Everest.(Earth mountains)
October 11, 2004... DID YOU KNOW? * Everest climbers who fall ill can now get help at a health center located at base camp. Perched 5,364 meters (17,600 feet) above sea level, it's the world's highest medical clinic! * Climbers leave tons of garbage on...

Presidential webhunt.(Research Skills Elections)
October 11, 2004... Who do you want as the next U.S. President? Have your say at www.scholastic.com/vote. Hurry and cast your e-ballot by October 15, 2004. Guess what? The job of the U.S. President involves more than juggling world affairs. The President also...

Panthers in Peril: with help from their cat relatives, the endangered Florida panthers are back from the brink.(Life Endangered Species)
October 11, 2004... DID YOU KNOW? * The chemical symbol for mercury, Hg, comes from the Latin word "hydrargyrum" meaning "liquid silver." * In the 1950s, industrial dumping of mercury into Japan's Minimata Bay resulted in one of the first cases of...

Name that element!(Our Popular Mystery Series Returns!)
October 11, 2004... Can you name that element? It can drive you crazy. It's been found in the hair of dead kings and scientists. And dentist use it to plug decaying teeth. Follow these eight clues to find out. Then flip the page to test your chemistry IQ. DID...

The periodic table.(Brief Article)
October 11, 2004... The periodic table is a systematic way to organize Earth's elements, substances that consist of atoms of only one kind. Today, there are 112 known and named chemical elements. Elements are arranged according to their increasing atomic number....

It's your choice: test your chemistry IQ! Answer the following questions about elements and the periodic table.
October 11, 2004... 1. Name that element! 2, Which of the following elements is found in the same group as zinc (group 12)? A Hafnium (Hf) B Tin (Sn) C Iodine (I) D Cadmium (Cd) 3. Which of the following elements is a transition metal?...

Buzz off.(Gross Out)
October 11, 2004... This guy made quite a buzz when he covered his body with 30,000 honeybees at a zoo in Lima, Peru. Nicknamed Bee Man, Arturo Huaman sported this bee coat to draw attention to a campaign promoting natural honey. How did he pull off this...

Explain this!(Activities & Oddities)
October 11, 2004... CAR-nivorous? Can you write the numbers 1 through 6 in the circles so that the total along each side of the triangle always equals 9? Hint: You can use each number only once. [ILLUSTRATION OMITTED] YOU CAN DO IT, p. 22 ...

Tease your brain.(Activities & Oddities)
October 11, 2004... Can you write the number 1 through 6 in the circle so that the total along each side of the triangle always equals 9? Hint: You can use each number only once. [ILLUSTRATION OMITTED]

Science news.(Check For Understanding)
October 11, 2004... DIRECTIONS: Read the Science News section on pages 4 to 6. Then, test your knowledge by filling in the letter of the correct answer, below. 1. Which of the following was not a factor in driving bald eagles to the brink of extinction in...

Correction.(Correction Notice)
October 11, 2004... CORRECTION: Issue September 6, 2004 In "Blazing Forests" (p. 13) phloem should have been defined as: Tissue that carries photosynthetic materials, such as sucrose, from the tree's leaves to other parts of the tree, including its roots. We...