NYC snow: What's causing winter's wicked weather?
Science professor Michio Kaku explains why many cities across the U.S. are being blanketed in record snowfall.
From our sponsor
|This dog's friendships know no bounds|
|Why are we so reliant on air conditioning? (It's not just climate change, it's bad design)|
|11 things humans do that dogs hate|
|13 natural remedies for the ant invasion|
|7 cultural concepts we don't have in the U.S.|
|A brief and revealing history of the swimsuit|
|The pros and cons of the PackIt lunch bag|
|15 famous people who mysteriously disappeared|
|12 plants that repel unwanted insects|
|Stanford study measures health benefits of nature walks|