There have been numerous attempts to create an all-plastic bike. However, most have never made it past the prototype stage. Igus, a Germany-based manufacturer of high-performanc...

The next time you swing by a McDonald's to get a 'Happy Meal', bear in mind that the burger and fries you get, may last as long as the toy it comes with - And, they may even lo...

Our eyes tear up for various reasons. The most common, known as basal, are involuntary tears that are continuously being released to keep the cornea moist. Then there are reflex...

San Francisco's public trash cans have long outlived their lifespan and need to be replaced. However,  the current design is inadequate for the city's burgeoning population and ...

Batesian mimicry — where a harmless species mimics a harmful one to escape predators — is widespread in animals.  But most recorded examples of the phenomena are visual. For ins...

The 1,450-mile-long Colorado River and its tributaries snake through seven states and two nations — the US and Mexico. They provide water and electricity to about 40 million peo...