This curious little robot is searching for healthy coral reefs by listening to how they sound.

We want to hear from YOU! 🌌👋 We're conducting a survey ➡️ https://bit.ly/496vqge which helps us understand our audience's interests and what you want to see more of on YouTube. It takes about 5-7 minutes, and we are so grateful for your input!

Stay up to date on the latest science discoveries, full episodes, articles, videos, and more by signing up for NOVA's newsletter here: https://www.pbs.org/wgbh/nova/newsletter/

Calling all NOVA superfans to join our new community! Get access to exclusive content, badges, emojis and more: https://www.youtube.com/channel/UCjHz5SVHeMT0AViCYZvsGDA/join

Shop official NOVA 50th anniversary merch: https://nova-shop.org/

Follow on social for more NOVA content Twitter: https://twitter.com/novapbs Instagram: https://www.instagram.com/novapbs TikTok: https://www.tiktok.com/@novapbs