The world is full of remarkable places.There’s Antartica, the Amazon rainforest, the Galápagos Islands and many more. There is so much to explore, but some of those places might not exist long enough for us to see and experience with our own eyes. The planet is changing and the consequences are devastating. Beautiful and ecologically important sites are burning, sinking, flooding, melting or are otherwise being destroyed because of human-caused global warming....

Let’s talk.We don’t think much about our ability to communicate. We simply have a conversation, make a call, send a text or use sign language to share information. But how was human language invented? And when?Communication is a way for us to express ourselves, share information and maintain relationships with others. Hundreds of years ago, humans needed to communicate to hunt, farm and defend against threats. Today, thanks to satellites and computers, we c...