Why does pollution increase in cold weather?

 With the onset of winter each year, air pollution begins to increase. The amount of air pollution has started increasing this year as the weather is getting colder. On Wednesday, air pollution in five places outside the Kathmandu Valley exceeded the danger mark.

Potato Groove: Where did it start, how did it spread around the world?

In 1957, French philosopher and literary critic Rola Barth called Chips a "patriot." One hundred years ago, potato blight wiped out half of Ireland's population in just a few years. At present, China, India, Russia, and Ukraine are the major potato-producing countries in the world.