Hey kids! Just a quickie as I have a favor to ask - can you let me have any questions you may have for a very special Q&A session I'm involved in at the weekend? Your questions in the comments below ...

The new mothlike drone takes inspiration from insects’ agile hovering, which Eisa and doctoral student Ahmed Elgohary ...

First Amendment: Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof ...