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Coral scientists explain how coral bleaching happens 02:15
Science class reunites 46 years later to witness total solar eclipse 04:49
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
Gadi Schwartz reports on eclipse totality from plane above Arkansas 06:04
Total eclipse reaches last stop in the U.S. in Maine 04:11
'So memorable': New Yorkers, tourists gather in midtown Manhattan for partial eclipse viewing 02:27
'Like a cool summer night': Temperature drops as eclipse hits Cleveland 04:13
Animals active as eclipse reaches totality in Little Rock, Arkansas 04:18
'Just amazing!': Solar eclipse watchers go wild as the moment of totality passes over Dallas 03:47
NBC’s Morgan Chesky and family witness total eclipse in Kerrville, Texas 04:31
Watch: Solar eclipse reaches totality in Mazatlán, Mexico 04:15
Thousands pack Indianapolis Motor Speedway to view eclipse 03:48
Natural reactions: How animals may behave during the eclipse 02:43
William Shatner discusses the 'magical' moments of a total solar eclipse 04:16
Engineers develop water filtration system that permanently removes 'forever chemicals' 03:54 Engineers at the University of British Columbia have developed a filtration system that would permanently remove "forever chemicals" from drinking water. This news comes after a recent study revealed nearly 200 million Americans have been exposed to PFAS in their tap water. Dr. Madjid Mohseni, a professor at British Columbia, shares his research. April 27, 2023
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Coral scientists explain how coral bleaching happens 02:15
Science class reunites 46 years later to witness total solar eclipse 04:49
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