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Eruption at Hawaii's Kīlauea volcano seen from helicopter 00:49
Icelandic volcano erupts again spewing lava 150 feet into the air 03:51
Rethinking the mystery of gravity 05:21 Now Playing
FDA allows Neuralink to implant second patient with brain chip 05:00 UP NEXT
Could Dyson spheres exist in our galaxy? 05:08
17-year-old works to detect wildfires with rocket and drone system 01:17
Concrete made from sugarcane could help fight climate change 05:15
World's smallest pacemaker gives new hope to babies with heart defects 01:43
Severe solar storm will bring beauty in the sky and potential disruptions 01:27
NASA scrubs Boeing’s Starliner launch 03:23
See Kate the Chemist make a rain cloud in a jar in Studio 1A! 05:38
Worsening allergies tied to climate change and severe weather 02:02
Coral scientists explain how coral bleaching happens 02:15
Millions gather to celebrate solar eclipse along path of totality 03:05
Meet the woman who has seen 21 solar eclipses 02:23
Scientists will use total solar eclipse to study the sun's corona 05:16
Teacher makes good on decades-old promise to watch eclipse with former students 02:57
Timelapse videos show darkness of solar eclipse totality 01:03
Special report: Solar eclipse path of totality 01:44:40
Watch emotional moments as skywatchers view solar eclipse 03:15
FDA allows Neuralink to implant second patient with brain chip 05:00 Neuralink will implant a second patient with a brain chip despite some initial issues with the first one. This time the quarter-sized chip will be implanted deeper to prevent it from retracting. Dr. Akshay Syal talks with NBC's Gadi Schwartz about how the procedure works. May 21, 2024
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Eruption at Hawaii's Kīlauea volcano seen from helicopter 00:49
Icelandic volcano erupts again spewing lava 150 feet into the air 03:51
Rethinking the mystery of gravity 05:21 Now Playing
FDA allows Neuralink to implant second patient with brain chip 05:00 UP NEXT
Could Dyson spheres exist in our galaxy? 05:08
17-year-old works to detect wildfires with rocket and drone system 01:17