Nature Podcast

Ancient 'giraffes' sported thick helmets for headbutting

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Synopsis

00:33 A headbashing relative gives insights into giraffe evolutionHow the giraffe got its long neck is a longstanding question in science. One possibility is that giraffes evolved longer necks for sexual competition, with males engaging in violent neck-swinging fights. Now, a team have described fossils of an ancient giraffoid species with a thick headpiece adapted for fighting, which could add weight to this hypothesis.Nature News: How the giraffe got its neck: ‘unicorn’ fossil could shed light on puzzle05:18 A wave of resignations signals discontent in academiaAround the world, the ‘great resignation’ has seen huge numbers of workers re-evaluating their careers and lifestyles and choosing to leave their jobs following the pandemic. Academia is no exception, with many scientists deciding to leave the sector in the face of increased workloads, systemic biases and pressure to publish.Nature Careers: Has the ‘great resignation’ hit academia?10:34 An emergency fix gets MAVEN back on trackEarlier this year, NASA’