To mark 20 years of the BBC TV series Planet Earth, we look at some of the filming firsts it captured – including a ‘zombie’ fungus ...

A case of appalling animal cruelty in Wyoming is close to being closed with a plea of guilty, setting a historic and significant example for the state and perhaps other jurisdictions.

We are used to seeing a strict order in nature, with apex predators at the top feeding on those lower down the pecking order.