Study reveals dramatic impact of climate change in the Sierra Nevada

Researchers from St Andrews found that bottlenose dolphins use unique whistles to address each other. In other words, they use signature whistles like “names”. The study is another proof that marine mammals have sophisticated cognitive abilities like self-recognition and a sense of identity.

Democrats Unveil Details of Sweeping Climate Change Spending Plan

Milky Way’s Interstellar Medium Is Not Homogeneous, New Study Shows