Led by Dr. Robert Ballard, ROV pilots operate the dextrous robotic submersible Hercules to insert a temperature probe into a hydrothermal vent near the Galapagos Islands. E/V Nautilus is exploring the ocean studying biology, geology, archeology, and more. Watch for live video from the ocean floor. For live dive updates follow along on social media at and on Twitter. For more photos from our dives, check out o
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