We spent the weekend in Yosemite and the dry winter is having an impact on the resident bear population -- the bears are already running low on food so they are getting more aggressive about seeking out human food.
I've run into the occasional black bear but this year reached a new level with the rollout of boxes monitoring bears that have been outfitted with radio collars. The device pictured below detects the presence of a collared bear and immediately communicates with the Park Rangers on duty (kind of a BearWatch HQ).
There was also a rockslide at 4am on Friday (6/8) evening at Curry Village, luckily no injuries were reported. I was not able to find any links on the web about the slide