Kids News - Articles with 400-600 Words

One of the worst ailments astronauts and people who are bed-ridden for long periods of time suffer from, is loss of bone and muscle. However, bears, which are about the same size as humans, are able to snooze for seven months at a stretch and while they lose their body fat, their muscle mass remains intact....

It is a well-known fact that dolphins are amongst the most intelligent animals on the planet. Yet, we have never figured out how to really communicate with them or for that matter, any other animals either. Now, a team of scientists from Florida's Wild Dolphin project, have taken the first step towards cracking the code....

While the science of prosthetics or artificial limbs is thought of as a fairly recent branch of medicine, Jacky Finch and her team at the University of Manchester beg to differ - They believe that the first artificial limbs can be traced all the way back to the Egyptian era, around 700 B.C....

The Google Doodle or decorative changes made to the company's logo are almost as famous as the company itself. Started as a way to make the search experience a little more fun, they have become an integral part of the company - with a fan base that anticipates the release of each Doodle, and even collects them. Now you too, can become famous by entering this year's Doodle 4 Google contest and have your artwork displayed on the world's most visited website for an entire day!...

On June 3rd, 2010, six brave men left their family and friends to take part in an exciting experiment called Mars500. The brainchild of the European Space Agency (ESA), it is a test to see how humans will interact with each other, if they are forced to live in close quarters, for long periods of time - As would be the case, if we were ever to embark on a journey to Mars....

Did you know that fleas, those tiny blood-sucking parasites that make your pet's life miserable, can leap as high as 13-inches (200 times their own body weight), with an acceleration force that exceeds 100 times the force of gravity? Believe it or not, some of the world's leading scientists have not only known that, but have also pondered and debated about it, for the last 44 years....

After years of suffering in oblivion, it suddenly seems like the people of North Africa are finally taking charge of their own destiny with radical, history-making changes. For most countries, it involves trying to get rid of the dictators who have ruled over them for decades. However, for the continent's largest country, Sudan, the issues were much more deep-rooted - Ones that could only be resolved by spiltting the country in two. On February 7th, over 99% of the people of Southern Sudan, voted to secede from the North, giving birth to a new Nation....

The key to an aircraft's supersonic speed or fuel efficiency, is its aerodynamics or how smoothly the wind flows over its wings and around its body. However, what may look super-efficient on computer models, may not work so well in real life. Therefore, before any new aircraft takes to the skies, manufacturers usually test prototypes or even the real aircraft, inside giant man-made wind tunnels....

NASA's first trainee robot astronaut is all ready to head to Space when Space Shuttle Discovery launches off for its final mission on February 24th - However, its legs are not! No problem, say the scientists, for there is plenty to do even without them - The legs will just have to follow when they are ready!...