The oceans absorb vast amounts of heat and it is causing global average sea temperatures to rise. The last ten years (and 2019 in particular) have been the hottest on record.
It is unclear how the holes were formed, although marine trash could partly be responsible.
The shark was tagged in September by researchers from non-profit OCEARCH near Nova Scotia in Canada,
The results of the study question the widely held assumption that most plastic debris at sea comes from land-based sources, the authors say.
A disease thought to be caused by a pathogen is ravaging stony coral reefs in Florida and the Caribbean.
Plastic fragments are frequently ingested by a wide range of marine animals that often mistake the substance for food.
"The presence of corals in these extreme mangrove habitats challenges our understanding of the conditions some corals are capable of living in," researcher Emma Camp said.
Oceans cover 71 percent of the Earth's surface and make up more than 99 percent of the planet's livable habitat.
The moon contains the key requirements for life.
About 70 percent of the world is covered by oceans.
Around the world, one million plastic drinking bottles are purchased every minute. Up to five trillion disposable plastic bags are used every year.
Turtles face many hazards in the water, including plastic pollution and accidental harm or death in encounters with commercial fishermen.
Stonefish are native to coastal waters in the Indian and Pacific Oceans.
Researchers found that related beluga whales returned to the same locations every year and that this behavior was passed down from generation to generation, likely from mother to calf.
The volcanic region the produced Olympus Mons may also have been responsible for keeping Mars wet.
"I'm absolutely heartbroken."
A single gene is responsible for this extraordinary feat.
The world's oceans have absorbed around one-third of human-emitted carbon dioxide.
This dynamic duo is another deadly threat to coral reefs. But people can do something about it.
Even sites that won't be submerged could be damaged from rapid development.