Stopping that blood loss before it turns deadly is the most pressing need in treating trauma patients. This threshold varies, ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Anyone who has had a bad stomach flu—or severe morning sickness—knows the human body can survive at least a little while without food. Nourishment is critical, yes, but not as immediately critical as, ...