Our weekly round-up of letters published in the Arizona Daily Star.

A jumping spider discriminates familiar from novel conspecifics for hours, indicating recognition and long-term memory in a miniature-brained, asocial arthropod, highlighting learning and internal ...

Here are the top medical news for the day Scientists uncover hidden blood biomarkers revealing higher diabetes risk in ...

You've probably heard that laughter is the best medicine, but science says friendship might be even better. Research ...

Paris Jackson recently shared that she has a perforated septum as a result of her past drug use, emphasizing the importance ...