Recently added articles from Science World:
Whinnies decoded.(LIFE/ANIMAL BEHAVIOR)(Brief article)
Nov 09, 2009; Binns, Corey ... [ILLUSTRATION OMITTED] Horses communicate with a twitch of an ear and a swat of the tail. Scientists have discovered that horses' distinct whinnies also say a lot. Researchers in France analyzing the acoustics (sound properties) of horses' calls found that whinnies ...
Tracking blogs.(GRAPH IT/MENTAL HEALTH)(Brief article)
Nov 09, 2009; Binns, Corey ... Can the Internet help measure society's moods? Peter Dodds and Christopher Danforth, mathematicians at the University of Vermont, think so. They used a computer program to scour the Web for emotional words on millions of online blogs. An algorithm (formula for solving a problem) then ...
Candle caution.(PHYSICAL/CHEMISTRY)(Brief article)
Nov 09, 2009; Crane, Cody ... [ILLUSTRATION OMITTED] There may be more than romance in the air when dining by candlelight. Some candles give off harmful pollutants, as well as a warm glow. Most candles are made from a wax called paraffin. "Because paraffin is a residue from refining petroleum, it ...
Shark stopper.(PHYSICAL/METALS)(Brief article)
Nov 09, 2009; Goudarzi, Sara ... Each year, fishers unintentionally net around 12 million sharks. But a coin-size piece of metal attached to fishing gear will prevent sharks from becoming bycatch. The metal attachment deters sharks because it is made of a special alloy (mixture of metals) that produces a weak ...
Water world.(SPACE/MOONS)(Brief article)
Nov 09, 2009; Hamalainen, Karina ... [ILLUSTRATION OMITTED] NASA's Cassini orbiter has been circling Saturn for the past five years, peering at the planet and its 61 moons. Recently, the probe got a closer look at the moon Enceladus (en-SELL-ah-dus) and made an unexpected discovery: the possibility of liquid water ...
Sketched squid.(EARTH/FOSSILS)(Brief article)
Nov 09, 2009; Majerol, Veronica ... The ink used to draw the squidlike creature below didn't come from a ballpoint pen. It came from the preserved ink sac of a recently discovered 150-million-year-old fossil of Belemnotheutis antiquus. Squid today use a similar ink sac to shoot out black fluid that blinds ...
2,900,000,000.(NUMBERS IN THE NEWS)(Brief article)
Nov 09, 2009; ... 2,900,000,000 miles was the length of the journey made by NASA'S Stardust space capsule, which collected dust from a ...
98,800.(NUMBERS IN THE NEWS)(size of largest crater)(Brief article)
Nov 09, 2009; ... 98,800 acres is the size of what scientists believe to be the world's largest crater field. Comets ...
2012.(NUMBERS IN THE NEWS)(Brief article)
Nov 09, 2009; ... 2012 is the year that the United Nations predicts the world's population will reach 7 billion. By ...
40.(NUMBERS IN THE NEWS)
Nov 09, 2009; ... 40 years ago, scientists at the University of California, Los ...
25.(NUMBERS IN THE NEWS)(rate of the growth of rice in centimeters per day)(Brief article)
Nov 09, 2009; ... 25 centimeters a day is the rate that a new type of rice can grow when submerged ...
4 to 17.(NUMBERS IN THE NEWS)(musical ability)(Brief article)
Nov 09, 2009; ... 4 to 17 percent of people are thought to lack the ability to carry a tune. Researchers have found these people ...
Plumped up portions: over the years, the serving sizes of food have expanded--and so have people's waistlines.(LIFE: NUTRITION)
Nov 09, 2009; Crane, Cody ... [ILLUSTRATION OMITTED] The Hershey Company introduced its first milk-chocolate bar in 1900. The sweet confection weighed in at 16 grams (0.6 ounces)--the same as just two of their miniature Hershey's bars today. Compared with the original, a standard-size Hershey's bar nowadays ...
Futuristic wheels: one teen has designed a "green" bike that may change the way people get around.(EARTH: ALTERNATIVE ENERGY)(David Dixon)
Nov 09, 2009; Klein, Andrew ... [ILLUSTRATION OMITTED] Like many students on summer break, David Dixon, 15, enjoys cycling around his hometown in California. But David isn't traveling on an ordinary bicycle: He's driving what he has dubbed the Solar Human Hybrid (SOHH). David and his dad customized ...
Name that element! This element once helped keep kids safe on their way to school. It turns mineral into gemstones and cowhide into leather. What is it? Follow these eight clues to find out.(PHYSICAL: CHEMISTRY)
Nov 09, 2009; Adams, Jacqueline ... CLUE 1 COLORFUL CHARACTER The mystery element is well-known in its pure, metallic form. "The shiny metal material occurs when [the mystery element] has its full complement of electrons (negatively charged particles)," explains Paul Wagenknecht, a chemistry professor ...
The periodic table.(Brief article)
Nov 09, 2009; ... [ILLUSTRATION OMITTED] 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 numbers. Hydrogen ...
I want that job! Keith Chapman knows how to rock! He's a guitar designer.(CAREERS)(Interview)(Brief article)
Nov 09, 2009; Peretsman, Natalie ... WHAT DOES A GUITAR DESIGNER DO? We design the mechanical and electrical systems of electric guitars. We research different circuits and materials to make long-lasting guitars that sound great. I use my mechanical engineering background to design guitars at Fender Musical ...
Ingredients for a good hair: fed up with horrible hair? Chemistry can come to your rescue.(PHYSICAL: CHEMISTRY)
Nov 09, 2009; Levit, Joe ... [ILLUSTRATION OMITTED] Everyone has a bad hair day now and then. From frizz to flyaways, unkempt locks can lower your self-esteem and get you down. Many hair-care products claim to tame unruly tresses. But what does the long list of ingredients on your shampoo and conditioner ...
Would you drink toilet water? It may taste better than you think--if it has been purified.(EARTH: WATER CYCLE)
Nov 09, 2009; Costello, Emily ... [ILLUSTRATION OMITTED] When residents in northern and central Orange County, California, turn on the tap, some of the water that fills their glass comes from an unlikely source--sewage. The water has been cleaned, but would you want to drink it? Science World investigates. ...
Your teenage brain: adolescence can be a turbulent time. Find out why it's largely your' brain's fault.(LIFE: HUMAN BRAIN)
Nov 09, 2009; Hamalainen, Karina ... [ILLUSTRATION OMITTED] The teen years are filled with visible changes. You are growing faster than you can measure. But why are you suddenly more impulsive and quick to squabble with your parents? You can blame your teen brain. Over the past decade, researchers have ...
