This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

Internet users seem to celebrate animals with unique features, especially cats. This kitty has two equally charming faces and ...

A woman in Brazil was shocked to learn that her blood carried male chromosomes, but this did not affect her appearance in any way. She learnt of this following a miscarriage at the age of 35. When ...

No matter your stage of life, it’s always possible (and healthy) to add more meaning and purpose to your experiences. Rituals ...

Doctors in Brazil discover and confirm that a woman has blood with male chromosomes, a rare case of human chimerism.

My long-term collaborator, professor Charles Spence from the Crossmodal Laboratory in Oxford, told me his neuroscience ...

There may be good reasons to object to using animals as living organ factories, including welfare concerns. But the rationale ...

Each week, Live Science highlights an intriguing case report from the medical literature, where we explore unusual symptoms, ...

ABSTRACT: Heterokaryotype in monozygotic twinning is a rare phenomenon in which the number and appearance of chromosomes differ between the monozygotic pair. Although traditionally, monozygotic pair ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: When a zygote begins cell division ...

Something about a warm, flickering campfire draws in modern humans. Where did that uniquely human impulse come from? How did our ancestors learn to make fire? How long have they been making it?