Why do cats purr? For a variety of reasons including self-comfort and requests for food. It’s even possible that the frequency of the vibration has healing properties!
There are many sources of earthquake activity. This week’s look at global seismic activity shows that it isn’t just natural processes which are responsible.
Oil and gas are of political and military importance – in seeking local energy reserves, attention has turned to oil shale rock deposits, and ‘Cracking.’
Those with mental illness and substance addictions may face prejudice – even in their own family, and after education about their condition.
What’s behind the ‘Tips for Jesus’ phenomenon? Research shows religious Americans give charitably more often, but the observer effect may more relevant.