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Corals have a hormonal clock and it looks surprisingly like ours
Corals have a hormonal clock and it looks surprisingly like ours Gaby Clark Scientific Editor Robert Egan Associate Editor A three-year study has cracked open the hidden biology behind coral reproduction, revealing hormone cycles that echo those of humans and other animals, and a new way to detect reef distress before it's too late. Once a year, on cue, corals across a reef release their eggs and sperm into the sea simultaneously. Coral reproduction is one of nature's most spectacular events.
Two decades of research shows Indonesia's coral reefs are heat tolerant—but only up to a point
Two decades of research shows Indonesia's coral reefs are heat tolerant—but only up to a point Lisa Lock Scientific Editor Andrew Zinin Lead Editor Indonesia is home to the world's largest and most biodiverse coral reef system, spanning more than 32,000 square kilometers across the archipelago. Just like what is happening globally, these reefs are now bearing the brunt of a warming ocean. Our new study, however, found that despite rising sea temperatures, coral cover at most of our...
Proposed Sai Kung marine park to cover most coral reefs: Hong Kong authorities
A planned marine park in waters surrounding Sharp Island in Sai Kung will cover most coral reefs, Hong Kong authorities have said, allaying a green group’s concerns about insufficient protection of ecologically sensitive areas. Janet Lee Ka-wai, senior marine conservation officer at the Agriculture, Fisheries and Conservation Department, also said on Wednesday that underwater mapping technology had been used to assess coral coverage and identify ecological sites. Major coral spots identified...
Climate-based tool predicts coral bleaching months in advance, offering critical lead time for reef protection
Researchers at the Woods Hole Oceanographic Institution (WHOI) have developed a new method to predict coral bleaching five to six months before it occurs, giving reef managers valuable time to protect vulnerable ecosystems. In the new study, "Climate modes can be leveraged to forecast coral bleaching months in advance," published in Communications Earth & Environment, researchers demonstrate that coral bleaching on the Caribbean island of Curaçao occurs when three major climate patterns in...
The last-ditch plan to save coral reefs from utter destruction
Bleaching has devastated reefs around the world, raising fears of an irreversible shift. Yet new interventions have revealed that corals can be remarkably resilient if we can give them enough help to recover
Researchers fear another hot summer could further cripple Florida’s already struggling coral reefs
Decades of warming oceans, disease outbreaks and pollution have already decimated more than 90% of Florida’s coral cover
Watch: Rahul scuba dives among Great Nicobar's coral reefs; raises concerns over mega project
Congress leader Rahul Gandhi on Friday once again targeted the Centre over Great Nicobar development project, alleging that it prioritises commercial interests at the cost of the island's ecology and local communities. In a post on X, the leader of opposition in the Lok Sabha said he had recently visited Indira Point, the southernmost tip of India, where he interacted with tribal communities and settlers living on the island. He claimed that tribal residents were losing their land through...
'We're not greenies': Dive industry makes case for stronger ocean protections
Dive industry calls for more no-fish, no-drill zones as marine park review looms Thu 4 Jun 2026 at 4:56am Australia's dive industry has backed calls to expand no-fishing and no-drilling zones across the nation's oceans ahead of a federal review of marine parks. The sector will today launch a public advertising campaign urging stronger protections in offshore waters, including the Coral Sea off Queensland. The campaign comes as federal environment minister Murray Watt prepares to review 44...
In-Context Reinforcement Learning via Communicative World Models
arXiv:2508.06659v2 Announce Type: replace Abstract: Reinforcement learning (RL) agents often struggle to generalize to new tasks and contexts without updating their parameters, mainly because their learned representations and policies are overfit to the specifics of their training environments. To boost agents' in-context RL (ICRL) ability, this work formulates ICRL as a two-agent emergent communication problem and introduces CORAL (Communicative Representation for Adaptive RL), a framework...
Tucson woman wanted for kidnapping and assault has no connection to Nancy Guthrie case, authorities say
The Tucson woman wanted in connection with a kidnapping and assault case 6.8 miles from Nancy Guthrie's home remains at large Wednesday morning and has no connection to the 84-year-old's suspected abduction, according to authorities. The Pima County Sheriff's Department is asking for the public's help tracking down Coral Michelle Smith, 40, who is wanted in connection with a May 29 incident near the intersection of La Cholla Boulevard and River Road. According to the county's Crime Stoppers...