Phil Keoghan journeys to North Carolina to see the science behind Nascar racing. Jago Cooper explores a chilling new discovery of human sacrifice. Francesca Fiorentini investigates what DNA tests actually tell you. Tim Samuels reveals a new probiotic made from the human gut.
In 2005, the number of shark attacks along the Gulf of Mexico exploded. The cause is a mystery to locals and experts, and the answer could devastate the American coastline.
At night, the dunes of the Arabian desert come to life with unique animals specially adapted to thrive in this hostile environment, from lizards that swim under the sand to spiders that can run ten miles per hour.
Bull shark swimming near the camera. This image is from Forecast Shark Attack.National Geographic/Duncan Brake