The Nature of Things

The biggest archaeological survey ever conducted of the Stonehenge landscape finds new evidence of a lost civilization.

Dr. Mike Cranfield looks at how he managed to be working in a Canadian veterinarian surgery to end up making house calls to some of Africa's most endangered mountain gorillas.

Dr. Jennifer Gardy tries out new technology and looks at fresh ideas of our relationships with nature.

A investigation into whether or not Cholesterol really is the cause of heart problems.

From preening peacocks to promiscuous primates, what do animals reveal about our own sexual behaviour? Explore how sexual diversity and the experience of pleasure itself may be the key to species survival.

Scientists are unraveling the delicate mysteries of the snowflake. And what they’re learning is amazing.