Google Search received a pretty significant update this morning, adding yet more Google Now cards, speed enhancements, and three new voice actions. The now cards include nearby events, "suggestions to help you with your research" (whatever that means), QR code boarding passes (!) from Gmail, location-sensitive search by camera (aka Google Goggles), weather at places Now thinks you're travelling to based on Calendar and Gmail, and monthly summaries of your walking and biking activity. Wow.

Here's the full changelog:

For Android 4.1+ (Jelly Bean), Google Search keeps getting faster, plus:

New cards:
- Events nearby
- Suggestions to help with your research
- Boarding passes from Gmail (United only, more to come)
- Search by camera when at museums or shops
- Weather at upcoming travel destinations
- Approximate monthly summary of walking and biking activity
- Birthdays (the cards now have new options, like post a happy birthday wish to G+ from the notification bar)

New voice actions:
- Post to Google+
- Say "What's this song?" to find the song you hear
- Say "Scan a barcode" to find product info

Barcode scanning is pretty neat, though it's been built into Goggles for ages - a product that, frankly, should be merged with Google Search at some point.