If they beat the Eagles on Sunday, the 49ers will become the first NFL franchise to record 40 playoff wins. The 49ers are 39-25 in the postseason in their history, and their 39 wins are the most ever.

The hosts of NPR's All Things Considered help you make sense of a major news story and what it means for you, in 15 minutes. New episodes six days a week, Sunday through Friday.

Freakonomics co-author Stephen J. Dubner uncovers the hidden side of everything. Why is it safer to fly in an airplane than drive a car? How do we decide whom to marry? Why is the media so full of bad ...