While no definitive answers have emerged yet, experts believe a combination of natural and man-made factors could be behind the wildfires. Here are some of the reasons: Strong winds, exceptional ...

And what of those creations that are blends of what we'd traditionally consider natural and man-made – like vaccinations, which are derived from the parts of a (natural) virus or bacteria ...

man-made chemicals in our environment. But little publicity is given to natural substances in our food that also cause cancers in laboratory animals. By informing the public of these “natural ...

it's natural to wonder if this delicious veggie is man-made or naturally grown. Whether you roast 'em, eat your broccoli raw ...

Man-made disaster on National Geographic The series on National Geographic shows rare footage of how natural resources triggers disaster. One of its episodes includes a Chinese dam — weighing ...