IDAHO (PT)

5:00 pm 

WordWorld  "Sh-Sh-Shark!/Dog Wants to Play Ball"  Sh-Sh-Shark!: Shark is misunderstood. Everyone is afraid of him and won't even give him a chance to prove he's friendly. Everyone but Duck, that is, who doesn't know that the letters s and h together make the 'sh' sound, and therefore doesn't know who Shark is. D

5:30 pm 

Nightly Business Report   What happens if Greece leaves the Eurozone? With no clear answer, U.S. investors are still worried about the future. New York correspondent Suzanne Pratt has the latest on the European summit. D

5:57 pm 

Newshour Promo   NULL

6:00 pm 

PBS NewsHour   NULL

7:00 pm 

Nature  "Black Mamba"  One of Africa's most feared snakes, with a bite that is 100 percent deadly without treatment, has a new champion. Snake handler Thea Litchka-Koen, along with her husband, rescues black mambas in Swaziland from inappropriate locations - homes, gardens, hotel rooms. This leads to a radio tracking program for rescued black mambas, which reveals previously unknown information about the snake.G

8:00 pm 

Nova  "Venom: Nature's Killer"  Venom scientists are in a race against time to learn the secrets of many creatures who have evolved extremely toxic cocktails designed to kill, that now may also yield a new generation of advanced drugs to treat human ailments. NOVA reveals how venom works and follows two scientists on expeditions to track down and capture deadly creatures to collect and study them before the animals become extinct.G

9:00 pm 

Pleasure and Pain   With his customary wit and wisdom, Michael Mosley looks at the fascinating worlds of pleasure and pain. Teasing out the precise neural circuitry that allows us to experience pleasure, Mosley discovers how pleasure is at the root of our ability to make sense of the world, and how it reinforces healthy behaviors such as eating, having sex and keeping warm.G

10:00 pm 

Ashes to Ashes   The series heads into its final season as DI Alex Drake awakens to find she is in a hospital but still in 1983 where she was shot by her boss, DCI Gene Hunt, three months ago. Now Gene is on the run, Ray Carling has been promoted to DI and complaints officer, DCI Jim Keats, is breathing down everyone's neck. Meanwhile the team is investigating the kidnapping of a girl, who was abducted while her stepmother walked her to school, and Alex is being haunted by the ghost of a young policeman.G

11:00 pm 

Charlie Rose   NULL