Americans generate nearly 300 million scrap tires every year, according to the Environmental Protection Agency (EPA). Historically, these worn tires often end up in landfills or, when illegally dumped, become breeding grounds for disease-carrying mosquitoes and rodents. They also pose a potential fire hazard.
Two new elements have been officially added to the periodic table - twelve years after they were first discovered.
You wait ages for a new human species, and then two come along at once. Hard on the heels of the discovery of a new type of hominin in Siberia, an international team says it's found the closest yet type of australopithecine to modern humans.
MIT researchers have discovered a completely new way of producing electricity - and they don't fully understand how it works.