(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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Aaaaa-choo! While your first thought may be to ...

Aaaaa-choo! While your first thought may be to say “Gesundheit!” your second might be to ask: “Where did that sneeze come from?” Sneezing is a phenomenon that occurs in both people and animals. It ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Meg Sorg, Purdue University (THE CONVERSATION) Advertisement Article continues below ...