Social media users consider aliens or sea monsters — but NOAA researcher suspects an animal culprit. Mysterious, neatly aligned holes have been discovered deep in the ocean — and scientists are stumped about their origin.
The basking shark feeds on the surface with its mouth wide open to filter plankton, explains the St. Lawrence Shark Observatory (archives).
Liquid biopsy (LB) is a concept that is rapidly gaining ground in the biomedical field. Its concept is largely based on the detection of circulating cell-free DNA (ccfDNA) fragments that are mostly released as small fragments following cell death in various tissues. A small percentage of these f ...
The St. Lawrence riverbanks are eroding. This has an impact on infrastructure, economy and inhabitants’ well-being. It exposes communities to flooding and can destroy local ecosystems.
Search “ocean zones” online, and you will see hundreds of illustrations that depict the same vertical profile of the sea. The thin, top layer is the “sunlight” or epipelagic zone, which receives enough light for photosynthesis by phytoplankton, algae and some bacteria.
When Wang Aimin, then a professor of oceanic science at Hainan University, started helping with marine ranching by dropping artificial reefs into seawater in 2011, he was ridiculed by local divers.
Every Saturday, a group of Cook Island Māori youth slide into scuba gear, grab sticks from the ironwood trees (Casuarina equisetifolia) growing along Rarotonga’s beachfront, and head to the reef surrounding the island. Their mission; to dive for invasive taramea (crown-of-thorns starfish, Acanth ...
Researchers have listed fifteen areas of concern, emphasizing the need to tackle these issues. Examples include the mining of lithium from the deep sea, exploitation of species found in deeper waters, and the unforeseen effects of wildfires across different ecosystems.
If you ever stumble upon a seal pup far from home, best leave it alone and call for help. Humans (and their dogs) can pose a danger to seals, and the marine mammals can give humans tuberculosis.
In the eastern waters off Hong Kong, a group of scientists searching for coral-eating nudibranchs stumbled upon a colorful surprise: three new species of sun corals. These orange, purple and green corals belong to the genus Tubastraea, bringing the known members of this coral group from seven sp ...
UNC-Chapel Hill biologists examine the links between microbial mats and a type of coral disease that has become an urgent conservation concern, and they suggest mitigation strategies to help reduce its spread.
Two whales that became entangled in shark nets on the Queensland coast have been freed after being stuck for several hours.
Long portrayed in pop culture as remorseless people-killers, sharks in reality are no Hollywood monsters. Sharks are a diverse group of mostly predatory fish, including the largest living fish, with skeletons made of cartilage.
In the 1980s, farmers in Bangladesh went from paddies to ponds, letting salt water flood their land. Now millions are left counting the cost
The Conference’s fourth day, focused on the role of the scientific community, to enable the blue transformation of humankind’s relationship with the ocean.
When Bryce Stewart dived after the toothed, steel-weighted nets of a scallop dredger rumbling over the bottom of the Irish Sea 22 years ago, he witnessed destruction he could never have seen from a boat.
At the U.N. Ocean Conference taking place this week in Lisbon, momentum has been building in support of a moratorium on deep-sea mining, an activity projected to have far-reaching consequences for marine ecosystems, biodiversity, and global fisheries.
With climate change, biodiversity loss and pollution exacting a devastating toll on the world’s ocean — critical to food security, economic growth, and the environment — the 2022 UN Ocean Conference opened in Lisbon, Portugal with a call for a new chapter of ocean action driven by science, techn ...
Highlighting the IAEA’s initiative, Nuclear Technology for Controlling Plastic Pollution (NUTEC Plastics), launched last year, Mr Grossi emphasized that nuclear applications could help both in the ocean and on land.
The UN Oceans Conference, which is set to run until Friday in Lisbon, should define “drastic actions” to address the ocean emergency, Prime Minister António Costa tweeted on Tuesday after meeting with UN Secretary-General António Guterres in Lisbon.
The old adage ‘There’s plenty more fish in the sea’ has been replaced with the inconceivable ‘By 2050 plastics in the ocean will outweigh fish’ (according to a report from the Ellen MacArthur Foundation in partnership with The World Economic Forum).
Global experts from the United Nations Environment Programme, The Nature Conservancy, governments, research agencies, and the private sector are coming together to share best practices in improving marine management based on lessons learned around the world.
Oceans are heating up as they cross their natural capacity to sink carbon and atmospheric heat induced by GHGs emissions. It will further disrupts life above the oceans
A healthy ocean is critical to all life on Earth, and the UN Ocean Conference is a step in this direction. However, the ocean’s health is declining – from overfishing to acidification.
United Nations Secretary-General Antonio Guterres wants countries to step up their efforts to conserve the world’s marine resources even as he acknowledged the progress made since the last UN Ocean Conference.
Members of the United Nations (UN) "need to urgently scale up actions" to protect the ocean and mitigate the impacts of climate change, Minister for Foreign Affairs Vivian Balakrishnan said at the Second United Nations Ocean Conference in Lisbon on Tuesday
Trade in ocean-based goods showed remarkable resilience during the recession induced by COVID-19 in 2020, according to the latest available data from a new UNCTAD database. Such goods include resources either sourced from the ocean, made from marine resources or manufactured for marine activities.
The United Nations Ocean Conference is currently underway in Portugal’s Lisbon. Ending on 1 July, the conference is attended by heads of state from 20 countries. In the opening speech of the event on 27 June, UN secretary general António Guterres has declared an “ocean emergency” and urged gover ...
At the Sustainable Blue Economy Investment Forum in Cascais, Portugal, a special UN Ocean Conference event, more than 150 major companies have signaled their commitment to a healthy ocean by signing onto the UN Global Compact Sustainable Ocean Principles.
“Life revolves around the climate,” says José Luis “Pepe” Gerhartz, a senior conservation specialist from the Caribbean Biological Corridor Initiative, or CBC, a joint initiative between Cuba, the Dominican Republic, Haiti and Puerto Rico.
The oceans cover about 70% of the planet’s surface and are the main regulators of global climate. They produce much of the oxygen we breathe and support enormous biodiversity, far richer than what we see on land. But they don’t always get the recognition they deserve.
Cloaked in darkness and mystery, the creatures of the deep oceans exist in a world of unlikely profusion, surviving on scant food and under pressure that would crush human lungs.
For a long time, the great ocean explorers used sight to reveal the secrets of the marine environment, downplaying its acoustic aspects. Indeed, the ocean has long been considered a place devoid of any sound.
When they are in the deep, dark ocean, seals use their whiskers to track down their prey, a study has confirmed after observing the sea mammals in their natural habitat.
When a team of scientists listened to an audio clip recorded underwater off islands in central Indonesia, they heard unusual sounds - something which sounded like a crackling campfire.
As the cherished rainforest in South America's Amazon River region continues to shrink, the river itself now presents evidence of other dangers: the overexploitation of freshwater fish.
Polychaetes are segmented worms that live in nearly all marine habitats, from the shallow seashore or estuaries to the deep sea. They are very abundant, often making up as much as 70% of the animals found in an area. Not only are there many of them, but they are very important in contributing to ...
Coral reefs around the world are in growing danger due to rising temperatures connected with climate change. But in Florida and the Caribbean, marine biologists are racing to fight a new deadly threat. Science correspondent Miles O'Brien reports.
Age Hammeken Danielsen has hunted narwhals since he was a child. He and his father would travel along Greenland’s fjords on a small motorboat, armed with rifles and harpoons and dressed in polar-bear fur trousers and sealskin boots to insulate them against the freezing weather.
In the introduction to his new book, conservation biologist David Shiffman quotes Senegalese forestry engineer and conservationist Baba Dioum: “In the end we will conserve only what we love; we will love only what we understand; and we will understand only what we are taught,” Dioum says.
Human beings have been altering habitats—sometimes deliberately and sometimes accidentally—at least since the end of the last Ice Age. Now, though, that change is happening on a grand scale.
Salmon anglers have called for urgent action to protect Scotland’s wild salmon after the lowest number on record were caught last year.
Seaweed could help feed the world and reduce the impact of the climate emergency, a UN adviser on food has suggested.
Today, the Salton Sea is an eerie place. Its mirror-like surface belies the toxic stew within. Fish skeletons line its shores and the ruins of a once thriving vacation playground is a reminder of better days.
It is one of Britain’s rarest and most threatened species, primarily due to bottom-trawling fishing, but researchers have found that the pink sea fan coral could expand its range in the climate crisis.
The Ocean is the planet’s largest ecosystem, regulating the climate, and providing livelihoods for billions. But its health is in danger. The second UN Ocean Conference, due to take place in June, will be an important opportunity to redress the damage that mankind continues to inflict on marine ...
In an effort to keep the world's coral reefs from disappearing forever, a number of reef restoration projects are currently underway … but how can scientists tell if any one of those projects is working? The answer may lie in listening to the reefs.
A 14-metre long humpback whale freed from entanglement in an illegal drift fishing net off the island of Mallorca has died on another Spanish beach more than 300 kilometres away.
A killer whale - orca - that strayed from the ocean and began swimming up the River Seine in France earlier this month is now at risk of dying, a researcher monitoring the mammal told local media.
Sierra Leone — As dawn breaks, the fishing wharf at Tamba Kula in Freetown buzzes with the movement of early-morning commerce. Fishers just back from days spent far out at sea unload their catch from wooden boats, hauling snapper, barracuda and other fish out of icy compartments into cartons car ...