Another volcano in Iceland is spewing lava. Why is the current Fagradalsfjall eruption on the Reykjanes Peninsula so different from the 2010 Iceland eruption that caused so much havoc? You can read it all in this post.
Einstein was right, that is what two research groups concluded based on their collaborative work with atomic clocks. We now don't have to chuck out our mobile phones along with his theory of general relativity.
Mentors, they are invaluable. Without them, we are bound to fend for ourselves and rediscover the wheel time and time again. However, younger generations receive less and less mentoring, as education systems and workplaces become increasingly impersonal and professionalized.