When the human body gets hurt, most tissues heal—skin closes over a wound, bone heals itself. But not all organs heal that ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

For decades, 98.6 degrees Fahrenheit has been the widely accepted “normal” average temperature for the human body. But new research adds to the growing body of evidence that humans actually run a bit ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...