Peter Cullen, commanding voice actor behind both Transformers’ Optimus Prime and Winnie-the-Pooh’s Eeyore

Peter Cullen, who has died aged 85, was a prolific Canadian voice actor best known for playing Optimus Prime, leader of the ...

Africa’s Giant Herbivores Were Disappearing Millions of Years Before Humans Could Hunt Them

Africa’s giant herbivores may have declined not because they were exceptionally prone to extinction, but because their ...