Kissing may date back 21.5 million years in early ape ancestors Researchers studied modern primates to estimate how the behavior evolved Kissing is not universal today and only 46% of cultures ...

New work by an international team of researchers shows that the cranium of modern Homo sapiens is poorly-suited to produce large biting forces due to an important limitation involving the jaw joint.

Contrary to current understanding, the brains of human newborns aren't significantly less developed compared to other primate species, but appear so because so much brain development happens after ...

A new study that examines how kissing evolved suggests that ape ancestors and early humans like Neanderthals probably locked lips with their friends and sexual partners. The behavior may date back 21 ...

Kissing, for all popularity, is a bit of a mystery. Scientists have long debated when humans’ ancestors first put their lips together, and whether the act is simply a cultural trait. A new study ...

Francesca has an MSci in Biochemistry from the University of Birmingham.View full profile Francesca has an MSci in Biochemistry from the University of Birmingham. What did early primates munch on to ...

Variability in resource availability is hypothesized to be a significant driver of primate adaptation and evolution, but most paleoclimate proxies cannot recover environmental seasonality on the scale ...

Modern human beings represent the intersection of two fundamentally different essences. The first essence is our animal nature. We are homo sapiens, a particular kind primate that falls in the “great ...

Primates - the group of animals that includes monkeys, apes and humans - first evolved in cold, seasonal climates around 66 million years ago, not in the warm tropical forests scientists previously ...

Kissing is not universal today and only 46% of cultures practice it, say researchers THURSDAY, Nov. 20, 2025 (HealthDay News) — Kissing may feel like a very human habit, but new research suggests it ...

THURSDAY, Nov. 20, 2025 (HealthDay News) — Kissing may feel like a very human habit, but new research suggests it has much deeper roots. A team of scientists says the behavior likely began more than ...