Types of Cathode-ray Tubes

"Where did we come from? It's the oldest question in human history. Everyone's asked it, from philosophers and poets to mathematicians and physicists. Most scientists think that everything that we know and experience around us began at a moment known as the Big Bang, 14 billion years ago. But how can we have any clue about something that supposedly happened so long ago?" Includes photos, interactive charts, and graphs. Also allows you to highlight important parts and make notes

"Nearly two million people die from a lack of safe drinking water every year. And in just 15 years time, half the world's population could be living in areas of high water stress - places where there isn't enough water to go round." Includes charts, slideshow, photos, and short video clips

"The word 'malnourishment' conjures images of natural disasters, droughts and children with swollen bellies. But malnourishment is not just a lack of calories. It can also be caused by not having enough vitamins, minerals, and protein." Lots of interactive graphs, pictures, and charts

"Antibiotics are important medicines that have been used to treat bacterial infections for 70 years. They work by either disrupting processes bacteria need to survive or preventing them from reproducing. But these drugs are becoming less and less effective against bacterial infections and could one day run out. Right now there aren't any alternatives that could take their place." Lots of pictures, interactive charts, and diagrams

"Antibiotics are important medicines that have been used to treat bacterial infections for 70 years. They work by either disrupting processes bacteria need to survive or preventing them from reproducing. But these drugs are becoming less and less effective against bacterial infections and could one day run out. Right now there aren't any alternatives that could take their place."

"The sailing stones of the Racetrack Playa, a dry lakebed in Death Valley, have been the subject of a mystery since the 1940s. The playa is dotted with stones, some as large as 700 pounds (320kg), with long tracks behind them, as though they have been performing a synchronised dance."

"The debate over a link between autism and vaccines continues."

"The next time you are chided for bad behavior, blame it on the whole apple, pear or pretty much any uncut food that your parents packed in your lunch box. That's because biting into anything that requires the use of the front teeth, is likely to cause rowdy behavior in kids! " Click on blue vocab words to see definitions.

Article discusses glow in the dark sidewalks and self-cleaning cars. Click on blue vocab words for definitions.

"Though humans may think they are the masters of deception, some of the world's best con artists appear to be birds. First there is the cuckoo finch that tricks other birds into raising its offspring and now, Africa's fork-tailed drongo that sends out false alarm signals,  just so that it can steal food from other birds." Click on blue vocab words to see definitions.

"While most scientists are focused on creating vaccines for life threatening mosquito-borne diseases like dengue fever and malaria, British biotech firm Oxitec is taking a unique approach. They want to nip the problem in the bud or should we say larva, by killing the dengue-carrying mosquitos with the help of genetically modified laboratory versions." Click on blue vocab words to see definitions.

"If you have ever had to decide on an outcome with a friend, chances are you have done it by playing rock-paper-scissors, the fun hand game where players simultaneously form one of the three shapes with an outstretched hand. Like most people, you probably thought that the game is designed for a random outcome, one in which neither player has an advantage. Turns out you were wrong. According to scientists from China's Zhejiang University, there is a method to this madness - one that can be easily mastered so that you never lose a rock-paper-scissors duel again." Click on blue vocab words to see definitions.

"The Drinkable Book, a collaboration between Water is Life, New York-based advertising agency DDB and scientists from Carnegie Mellon and the University of Virginia, is the world's first book that can used to not only learn about safe water practices, but also, create drinkable H20." Click on blue vocab words to see definitions.

"Though access to fresh water has always been an issue for many residents that live in third world countries, it has become even more so now, thanks to the increase in population as well as climate change, which is causing many previous sources to dry up. According to water.org, a non-profit organization founded by Hollywood star Matt Damon and social entrepreneur Gary White, over 750 million people around the world have no easy access to clean water - This means that they spend copious amounts of time collecting this liquid gold, that most of us obtain, by simply turning on a tap." Click on blue vocab words to see definiions.