Shark Repellant, Brain Internal Compass, Sleeping Seals

Today you’ll learn about a gizmo that can repel sharks and potentially bring them back from the brink of extinction, how our brains’ internal compasses work, and how scientists learn about the sleeping habits of seals. 

Find episode transcripts here: https://curiosity-daily-4e53644e.simplecast.com/episodes/shark-repellant-brain-internal-compass-sleeping-seals

Shark Repellant 

• “These devices use an electric field to scare sharks from fishing hooks.” by Darren Incorvaia. 2022.
  • https://www.sciencenews.org/article/device-electric-field-scare-sharks-fishing-hooks

Brain Internal Compass

• “How the brain's 'internal compass' works” by McGill
  • https://www.mcgill.ca/newsroom/channels/news/how-brains-internal-compass-works-347094
• “Population dynamics of head-direction neurons during drift and reorientation” by Zaki Ajabi et al.
  • https://www.nature.com/articles/s41586-023-05813-2

Sleeping Seals  

• “Seals snooze during 20-minute ‘sleeping dives’ to avoid predators.” by Jocelyn Solis-Moreira. 2023.
  • https://www.popsci.com/environment/seals-sleep-swimming/

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