Kanzi the bonobo is able to create and use stone tools

Research suggesting that grey parrots can reason about cause and effect from audio cues alone- a skill that monkeys and dogs lack- is presented in Proceedings of the Royal Society B today.

Why, after millions of years of evolution, do organisms build structures that seemingly serve no purpose?

Four decades ago, in 1972, the Koobi Fora Research Project discovered the enigmatic fossilized skull known as KNM-ER 1470 which ignited a now long-standing debate about how many different species of early Homos existed.

One day in May of 2011, Shaun Winterton was looking at pictures of bugs on the Internet when something unusual caught his eye. It was a close shot of a green lacewing — an insect he knew well — but on its wing was an unfamiliar network of black lines and a few flecks of blue.

Under the supervision of guards and graduate students, a small group of prisoners is breeding the beautiful orange-and-white insects in a greenhouse outside the prison. They have even carried out research to show what plants the butterfly prefers to lay its eggs on.

A new poll suggests that atheism is on the rise in the US, while those who consider themselves religious has dropped. What's the cause? Two writers debate.

Documentary about ongoing events in Uganda, where many question whether the growing influence of American religious groups has led to a movement to make homosexuality a crime punishable by death.

Blasphemy Laws Exposed: The Consequences of Criminalizing “Defamation of Religions”

WALK DARWIN’S TREE OF LIFE ~ 26 AUGUST 2012 - event begins on Saturday 25 August

Derren Brown talks to Tim Minchin