Corals
00:46
It is late winter. In Trondheimsfjorden in Norway, the corals and all of their inhabitants are waiting for the return of light and warmth.The sea,...
Reportage: Daniel Hager
In the laboratory's aquariums, lush corals glow ghostly white in the dark. But out in the sea, below the surface, there is almost only gravel...
Reportage: ALICE NORDEVIK/TT
Photo: ADAM IHSE/TT
Graphics: Anna-Lena Lindqvist/TT
05:16
The world's coral reefs are in trouble. As the oceans get warmer, corals are stressed and eventually die. Coral scientist Tessa Hempson calls corals the...
Reportage: Johan Candert
Photo: Johan Candert, Göran Ehlmé, Leif Eiranson
The calm turquoise waters along Thailand's coast can look idyllic. But beneath the surface lurks a treacherous disease that is spreading and killing vital coral...
Text: Helena Nordenberg/TT
Graphics: Anna-Lena Lindqvist/TT
Photo: Lillian Suwanrumpha/AFP/TT
The Great Barrier Reef is larger than Finland, and it is still bursting with life. But climate change poses several kinds of threats to the...
Text: Ulrika Eriksson
Photo: Matt Curnock, Katerina Katopis, Jordan Robins/Ocean Image Bank, Emma Kennedy
On Tuesday night, researchers found that the corals send sperm and eggs into the Pacific Ocean to multiply. "It's gratifying to see the reef give...
Text: TT
Photo: Gabiel Guzman/AP/TT
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