From CNN 10.

Today on CNN10 – We’ll see how officials are finalizing preparations for the Winter Olympic games with some innovative techniques, including controlled avalanches. Then, we’ll learn how the NFL is tackling an issue that’s divided players for years, and leveling the playing field when it comes to artificial turf. Plus, we’ll look back at the storied career of baseball legend and civil rights icon Hank Aaron as part of our continuing observance of Black History Month. All this and more on today’s CNN10!