CBC: Feb 3: Shark mortality, what dogs like on TV, an amazing fossil tree and more

The complex interdependence of plants and animals in an ecosystem are often hard to fathom until they go wrong. This is illustrated by a new study in Kenya showing how an invasive ant led to elephants knocking down trees, affecting how lions hunt zebras, which turned out to be bad news for buffalo. Adam Ford from the University of British Columbia, Okanagan is part of the team on this study published in Science.

This is a really good segment. The following one on an ancient tool to create rope was also quite interesting.