INSECTS & SPIDERS

HUMANS AND ANIMALS - Encore Edition - The origins of ancient house cats in China. Crows that hold grudges. And, how global warming is creating a new breed of Arctic explorers - of the avian variety. Also: the lengths squirrels will go to to hide their nuts.

ANCIENT ANATOMY (Encore Presentation) - What dental records from the Mesozoic era can tell us about the lives of dinosaurs. How humans are uniquely adapted to throw baseballs. Also: an automated nature recording system that's monitoring environmental change. And, could vaccinating children protect …

BATS & DOLPHINS (Encore Presentation): Dolphins that heal themselves, and dolphins that use electroreception in addition to echolocation. Also, How vampire bats find their prey, and how a Cuban plant takes advantage of a bat's ability to echolocate.

ENCORE PRESENTATION: OCEAN SCIENCE IN THE 21st CENTURY - Old warships become new habitats. An ocean quadcopter gives researchers a sky-high view of the stormy North Atlantic. And, autonomous underwater vehicles that search for sunken treasure. Also, behind the untimely death of the octopus.