Other than a few species of whale, humans are the only mammals that consistently demonstrate the unusual phenomenon of menopause. Most animals maintain their reproductive ability for the vast majority ...

A molecular biologist may have found a new 'rule of biology.' The rule challenges long-held notions that most living organisms prefer stability over instability because stability requires less energy ...

When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...

Human skin is home to millions of microbes. One of these microbes, Staphylococcus aureus, is an opportunistic pathogen that can invade patches of skin affected by eczema, also known as atopic ...

DNA codes offer new evidence of evolution. DNA, the genetic blueprint for living things, is like a text made up of chemical letters. For many decades, reading the sequence of letters in DNA was a ...

As recently as 1966, sheik Abd el Aziz bin Baz asked the king of Saudi Arabia to suppress a heresy that was spreading in his land. Wrote the sheik: "The Holy Koran, the Prophet's teachings, the ...