Is the sky really blue? That might seem obvious. But sometimes things are more nuanced and complicated than you think. Here are five strategies to boost your critical thinking skills. Animated by Ana Stefaniak. Made in partnership with The Open University. If you enjoyed this, you might like to watch this video next. Why we see faces in clouds https://www.youtube.com/watch?v=fcM6rqFzuw4 Subscribe to BBC Ideas https://bbc.in/2F6ipav ____________________________ Do you have a curious mind? You’re in the right place. Our aim on BBC Ideas is to feed your curiosity, to open your mind to new perspectives, and to leave you that little bit smarter. So dive in. Let us know what you think. And make sure to subscribe!https://bbc.in/2F6ipav Visit our website to see all of our videos: https://www.bbc.com/ideas And follow BBC Ideas on Twitter: https://twitter.com/bbcideas #bbcideas #criticalthinking #trainyourbrain