Search
Twitter
Podcasting is the greatest thing since sliced bread ;)  Here are my recommendations on some great podcasts.  
For listening to podcasts, I highly recommend Marco Arment's Overcast.  
The public broadcasters in Canada, the UK, and Australia (CBC, BBC, and ABC) put a lot of fantastic shows online.

 

Science:

Technology: Photography: Society: Technology & Culture: Current Events: Misc: