![](https://thomassumner.com/wp-content/uploads/2016/03/032516_ts_rockfall-brief_free.jpg)
Beware of rockfalls in warm weather
Science News, March 2016As the weather warms, watch for falling rocks. While monitoring a cracked cliff in Yosemite National Park, researchers watched the fissure widen as temperatures rose. The risk of rockfalls could increase as climate change cranks the thermostat, one scientist predicts.