Not long after the shooting in Charleston, a US House of Representatives committee rejected a measure that would have allowed the CDC to conduct research into gun violence, leaving intact a ban pushed by the NRA back in the 1990s. That leads to odd gun violence reports that are not about guns.
Plants have senses that put humans to shame. Not only do they hear (yes, it's true) and smell, they can also sense the presence of water, and even an object in their space. Now new research suggests that plants can actually learn and remember.
Since shortly after World War II, fluoride has been added to water in the US to help strengthen children’s teeth. Today it comes out of the taps in about two-thirds of America’s households. Yet it remains a highly controversial subject.
Genetically modified crops are a big part of both our food supply and our debates about health and safety. But some scientists and observers argue those debates are getting the science of GMOs wrong, and grouping together crops that don't belong in the same argument.
For decades, people have been focused on MSG as a source of health problems and allergic reactions, based on scant but seemingly compelling evidence, No research, though, pokes giant holes in those previous studies and suggests MSG is no worse than any other food additive.
The new NOVA special, "Vaccines: Calling the Shots," explores the lingering global resistance to vaccination campaigns. Case studies from around the world explain just how bad the impact can be when groups opt out of childhood shots.