Bonjour! Ni hao! Merhaba! If you move to a new country as an adult, you have to work much harder to get past that initial “hello” in the local language than if you’d moved as a child. Why does it take ...

Key points A type of information processing called unlimited associative learning (UAL) may be necessary and sufficient for very basic sentience. UAL is a form of domain-general, open-ended learning ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Cristina Robinson, Vanderbilt University; Kate Snyder, Vanderbilt University, and ...