An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Outer space is a rough place for the human body. The effects of ...

Despite existing in the food safety danger zone, the living human body does not go bad. Like in a tower defense game, our body is picking off invaders on multiple fronts at all times. The mitochondria ...

Scientists have bred mice that are just like us — at least in terms of their immune systems. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For ...