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Shallow outer reefs at Mo'orea, where branching corals are common.
Mo'orea's corals form the backbone of a reef ecosystem that supports many other creatures.
Scientist Ashley Potter swims along a transect line that marks a Mo'orea reef study area.
Researcher Sigfrido Zimmerman looks at hurricane-affected reef in St. John, U.S. Virgin Islands.
Emerging research in artificial intelligence, biotechnology, the Internet of Things and more.
U.S. team that competed in the 7th Annual European Girls’ Mathematical Olympiad in Italy.
As a fruit fly’s eye develops, structural complexity emerges.
The skin of a mouse’s ear. Stem cells are marked in green. Stem cell progeny are marked in red.
Gene expression and cell decisions guide stem cells (green) into differentiated cells (red).
Close-up of a reef in the U.S. Virgin Islands. The coral's open polyps mean that it's feeding.
A SCUBA diver collects samples on the Ram Head reef in the U.S. Virgin Islands.