THE letter of Mr. Phillip in NATURE of April 9 led me to examine some tubes containing radium salt which have been in my possession for some years. Some had become very purple owing to the action ...

Batman is known for not killing, but many fans forget that he is willing to take life. Exploring key deaths reveals much ...

Some everyday foods do more harm than good—while others can actually help your body heal. Here are 20 you need to know about.

So if you’ve been holding back – waiting to feel smarter, braver, richer, more experienced – consider this your permission to ...