Articles for Grade 4

You know that squeak you hear from your pet mouse or the pest rodent that is raiding your pantry? Turns out it is not really a squeak, but a sweet melody sung by male mice to attract females. This is the conclusion reached by evolutionary biologist Dustin Penn and his team at the Veterinary University of Vienna in Austria....

On Wednesday October 10th, 2012, two and a half days after it was launched from Cape Canaveral, Florida atop a Falcon 9 rocket, Dragon the first commercial cargo spacecraft was carefully snared in by a robotic arm and 'tamed' by the scientists aboard the International Space Station....

Just eight years ago, Oscar, a mixed breed mutt was one day away from being euthanized in an SPCA shelter. Today, he is a globe-trotting adventurer who has made history by becoming the first dog to travel 200,000 km - All of course, in the quest to highlight the plight of the over 400 million homeless dogs that have not been as lucky - And, he is not done yet....

On Wednesday night, 67.2 million Americans sat glued to their television sets for a full 90 minutes to hear the two nominees - the incumbent President Barack Obama, for the Democratic Party and Governor Mitt Romney for the Republican Party, talk about their plans for the country, if elected to be the 45th President of the United States of America....

If you are among the majority of people that would like to help clean our environment but have no idea how to get started, you are in luck. That's because University of Sheffield scientist Tony Ryan and London College of Fashion artist and designer Helen Storey have come up with an ingenious solution that will turn us all, into efficient walking air filters....

Celebrated on the 15th day of the eighth-month of the Chinese Lunar Calendar, the Mid-Autumn Festival is one of the country's most important events, second only to the Spring Festival - One that is celebrated with great abandon by the residents. The best part is that while in most countries festival celebrations are restricted to humans, in China even the pandas get to enjoy the traditional treat - mooncakes!...

For the last two and a half years, 15 scientists have been scouring the oceans in search of some of earth's smallest but most important organisms - Plankton. The exhaustive research has revealed some great news and some, not so encouraging....

Imagine how you would feel if you were just hanging out in your room and in walked Justin Bieber, Taylor Swift or whoever it is that you have fantasized about meeting all your life. That, is exactly how Michael Phelps described as his reaction upon meeting this athlete that he has idolized since he was a kid - Except, the incident did not occur in the privacy of his home but in a television studio in front of a live audience, which means that his entire reaction was caught on tape! So who is this person? Read on . . ....

Earlier this week, Russian officials revealed to the world a secret that has been known to them for twenty years - A diamond supply that they claim is vast enough to fulfill global demand for at least, the next 3,000 years....