A glass of milk can still mark a line through humanity. For most adults, drinking it brings discomfort because the body follows the older mammalian pattern, shutting down the enzyme lactase after ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Human aging is not what natural selection failed to prevent. It is what happens when ...

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every corner of the world, and can thrive in deserts, tropical rainforests and even ...

The human body is often described as a marvel of “perfect design”: elegant, efficient and finely tuned for its purpose. Yet, when we look closer, a rather different picture emerges. Far from being a ...