The hero is regular matter, which is everything we can see around us. Antimatter is the mirror-image explosive twin that ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

Whether they ask for DIY sets, remote-controlled cars, tech gifts, or something with their favorite characters, these gifts are the ones kids want this year.