Octopuses hunt by 'tasting' with their suckers
Nature Podcast
podcast@nature.com
4.5 • 893 Ratings
🗓️ 12 April 2023
⏱️ 30 minutes
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Summary
00:44 The unusual receptors that let octopuses hunt by touch
Researchers have shown that the suckers of octopuses are covered with specialised receptors that allow them to taste by touching things. Similar receptors are also found in squid, but there are differences that mirror differences in the animals’ hunting behaviours; while octopuses feel for their prey, squid pull things towards themselves before deciding whether or not to eat it.
Research article: Kang et al.
Research article: Allard et al.
Nature video: How octopuses taste with their arms
08:48 Research Highlights
How climate change has been linked to a devastating avalanche in the Italian Alps, and evidence of hallucinogenic drug use in prehistoric Europe.
Research Highlight: A glacier’s catastrophic collapse is linked to global warming
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11:31 Briefing Chat
We discuss some highlights from the Nature Briefing. This time, what climate scientists can learn from medieval descriptions of lunar eclipses; how to retrieve rock samples from the surface of Mars; and the ongoing debate about whether T. rex had lips.
Nature News: Medieval accounts of eclipses shine light on massive volcanic eruptions
Nature News: Mars rocks await a ride to Earth — can NASA deliver?
Nature News: Facelift for T. rex: analysis suggests teeth were covered by thin lips
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