Scientell
Scientell
When we think of a rainbow, we probably think of a colourful arch … possibly with a pot of gold at the end. But you may be surprised to learn that rainbows are actually circles.
The Green Flash is often considered a myth, but it is actually a fascinating optics phenomenon. You can see the green flash anywhere in the world, at sunrise and sunset. But why?
Having conversations with someone you don’t agree with can be difficult, exhausting and overwhelming. Here are six tips from the Business Insider experts on how to have these conversations.