Hillary CLinton's change in body language has played an important role in her turnaround. That's something that women notice more than men. But, as research shows, men as well as women make split-second, and often long-lasting, judgments about others based on how they carry themselves -- before even hearing them speak.

According to this article, bilingualism in children is correlated with tissue density in part of the brain responsible for language, memory and attention. This article confronts concerns that teaching a child two languages causes confusion, stating that such barriers are untrue and that bilingualism actually improves linguistic learning.

This article describes the birth of an entirely new language, by an isolated village in Australia. The language is extremely new, with many of its first speakers still living today.

In April 2010, Adriano Lameira set up his video camera in front of an enclosure at Cologne Zoo in Germany. Inside was an orangutan called Tilda. There was a rumour that Tilda could whistle like a human, and Lameira, of Amsterdam University in the Netherlands, was keen to capture it on camera. The results of this experiment were shocking and led to the question "can animals talk like humans?"

For the first time we have lowered a microphone into the Challenger Deep, the deepest known ocean trench. It picked up some surprising noises. Taken over a three week period in July 2015, these recordings provided a never before seen profile of the sounds of the deep.