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Read previewLiving on the edges of the planets comes with an unexpected perk: you may pick up an exotic accent that's spoken only in Antarctica. The research provides a snapshot into how new accents are developed when communities grow in isolation, like when English speakers colonized new countries and developed new accents. Researchers tracked the twang of 26 international researchers and support staff that spent six months in the British Antarctic Survey's Rothera Research Station in May 2018. Advertisement"It was very subtle — you can't hear the changes," Jonathan Harrington, professor of phonetics and speech and an author of the study, told the BBC. "For accents to develop to the point where they are noticeable, it really takes a generational change," Harrington told the BBC.
Persons: , Richard Gray, Jonathan Harrington, Harrington Organizations: Service, BBC, Business, Antarctic, of Phonetics, Ludwig, Maximilians, University of Munich, of America Locations: Antarctica
They have discovered it started retreating rapidly in the 1940s, according to a new study that provides an alarming insight into future melting. The Thwaites Glacier in West Antarctica is the world’s widest and roughly the size of Florida. “Once an ice sheet retreat is set in motion it can continue for decades, even if what started it gets no worse,” he told CNN. While similar retreats have happened much further back in the past, the ice sheet recovered and regrew, Smith said. “Further events arising more from the warming climate trend took things further, and started the widespread retreat we’re seeing today,” he told CNN.
Persons: Antarctica’s, Thwaites, Joshua Stevens, Julia Wellner, that’s, ” Wellner, you’re, James Smith, , , Smith, ” Thwaites, Jeremy Harbeck, NASA Ted Scambos, Martin Truffer, Truffer, Organizations: CNN —, National Academy of Sciences, El, West, NASA, Observatory, University of Houston, CNN, British Antarctic Survey, University of Colorado Boulder, University of Alaska Locations: West Antarctica, Florida, Pine, Antarctica, University of Alaska Fairbanks,
CNN —Evidence from a 2,000-foot-long ice core reveals that the West Antarctic Ice Sheet shrank suddenly and dramatically around 8,000 years ago, according to new research — providing an alarming insight into how quickly Antarctic ice could melt and send sea levels soaring. Map showing the location of the Skytrain Ice Rise, part of the Ronne Ice Shelf, from where the ice core was taken. The ice core analyzed in the study was drilled from Skytrain Ice Rise located at the edge of the ice sheet, near the point where the ice starts to float and become part of the Ronne Ice Shelf. Inside the drilling tent at Skytrain Ice Rise, scientists preparing the drill for its next drop into the borehole. University of Cambridge/British Antarctic SurveyInsulated boxes full of ice cores being loaded into the Twin Otter aircraft, Skytrain Ice Rise, Antarctica.
Persons: Eric Wolff, “ We’ve, we’ve, Wolff, Ted Scambos, , that’s, ” Wolff, Isobel Rowell, , David Thornalley, Thwaites, Scambos Organizations: CNN, West, Empire, Nature, University of Cambridge, University of Colorado, Ronne Ice Shelf, University of Cambridge / British Antarctic Survey, Ronne, Shelf, Twin, British Antarctic Survey, University College London Locations: Antarctica, University of Colorado Boulder, West Antarctica
And it’s not just the winds making the waters rough – the Drake is basically one big surge of water. We’re not gambling.”Even with that extra safety margin, though, he admits that crossing the Drake can be a hairy experience. A dangerous thrillAurora Expeditions' Greg Mortimer ship has a patented bow to make a Drake crossing more stable. “The only thing that works for me is going to the ship’s medic for a scopolamine patch,” he says. “If you were going to the moon, you’d expect the journey to be uncomfortable but it’d be worth it,” she says.
Persons: CNN —, ” Alfred Lansing, Ernest Shackleton’s, Drake, , it’s, Mike Hill, Adam ”, Alexander Brearley, , ” “, Storm Isha, Brearley, That’s, It’s, Clelia, Fiona Stewart, Garett McIntosh, Horn, , Stanislas Devorsine, Sue Flood, Le Commandant Charcot, ” Devorsine, Devorsine, “ We’re, Jamie Lafferty, “ Drake, Greg Mortimer, Tyson Mayr, He’s, Mundy, Edwina Lonsdale, ” Lonsdale, Sylvia Earle, Lonsdale, DreamPictures, acupressure, ” Jamie Lafferty, I’ve, ” Warren Cairns, There’s Organizations: CNN, British Antarctic Survey, Atlantic, , AP, South America –, Aurora Expeditions, Institute of Polar Sciences, National Research Council of Locations: Antarctica, isn’t, South America, Ireland, Panama, Europe, South, California, New York, Cape Horn, South Africa, Australia, New Zealand, , France, Cape, National Research Council of Italy, it’s, Lonsdale
Previously unknown colonies of emperor penguins have been spotted in new satellite imagery. Emperor penguins, considered “near threatened” with extinction, are the world’s largest penguins. At least some emperor penguins are moving their colonies as melting ice from climate change threatens breeding grounds, according to research released on Wednesday. “Emperor penguins have taken it upon themselves to try to find more stable sea ice,” he said. Scientists currently know of 66 emperor penguin colonies.
Persons: penguins, Peter Fretwell, hadn't, Fretwell, Daniel Zitterbart, Organizations: British Antarctic Survey, Oceanographic Institution, Associated Press Health, Science Department, Howard Hughes Medical Institute’s Science, Educational Media Group, AP Locations: Halley,
Share Share Article via Facebook Share Article via Twitter Share Article via LinkedIn Share Article via EmailThe world's largest iceberg is now sailing away from AntarcticaRecent satellite images show an iceberg roughly three times the size of New York City floating past the northern tip of the Antarctic Peninsula. According to the British Antarctic Survey, the berg named A23a is now likely to be swept along by the Antarctic Circumpolar Current into 'iceberg alley.' Once hosting a Soviet research station, A23a split from West Antarctica's Filchner-Ronne Ice Shelf in 1986.
Persons: berg, A23a, Antarctica's Organizations: British Antarctic Survey, Antarctic, Ronne Ice Shelf Locations: Antarctica, New York City, Soviet
LONDON (AP) — Britain's polar research ship has crossed paths with the largest iceberg in the world — a “lucky” encounter that enabled scientists to collect seawater samples around the colossal berg as it drifts out of Antarctic waters, the British Antarctic Survey said Monday. It began drifting in recent months, and has now moved into the Southern Ocean, helped by wind and ocean currents. Scientists say it is now likely to be swept along into “iceberg alley” — a common route for icebergs to float toward the sub-Antarctic island of South Georgia. What we don’t know is what difference particular icebergs, their scale, and their origins can make to that process," she said. The British Antarctic Survey said its findings will help improve understanding of how climate change is affecting the Southern Ocean and the organisms that live there.
Persons: Sir David Attenborough, London —, , Andrew Meijers, , A23a hasn’t, berg, Laura Taylor Organizations: British Antarctic Survey Locations: Antarctica, New York City, London, Weddell, South Georgia, British
One of World's Largest Icebergs Drifting Beyond Antarctic Waters After It Was Grounded for 3 DecadesThe British Antarctic Survey says that one of the world’s largest icebergs is drifting beyond Antarctic waters after being grounded for more than three decades
Organizations: British Antarctic Survey
A23a, the world's biggest iceberg, is on the move 37 years after it broke off from Antarctica. Scientists will keep a close eye on it as it could threaten wildlife near South Georgia Island. AdvertisementThe world's biggest iceberg, covering about 1,500 square miles, is on the move. NASA WorldviewA23a lost its title of world's biggest iceberg in May 2021, but jumped ahead once again in October 2022, when the previous record-holder, A76, broke into three pieces, per the Guinness World Records website. A gentoo penguin with a newborn chick South Georgia.
Persons: , A23a, Andrew Fleming Organizations: Ocean, Service, BBC, British Antarctic Survey, NASA, Records, Getty Locations: Antarctica, South Georgia, Weddell, Soviet, Georgia
World’s biggest iceberg is on the move
  + stars: | 2023-11-24 | by ( Amy Woodyatt | ) edition.cnn.com   time to read: +1 min
London CNN —The world’s biggest iceberg – more than twice the size of Britain’s capital city - is on the move after decades of being grounded on the seafloor in Antarctica. The huge mass of ice broke away from the Filchner-Ronne ice shelf in 1986, calved and grounded on the Antarctic’s Weddell Sea floor almost immediately. The iceberg, named A23a, is about 400 meters (1,312 feet) thick, and almost 4,000 square kilometers (1,544 square miles) in area. Greater London, by way of comparison, is 1,572 square kilometers (607 square miles). The iceberg, carried by ocean currents, will likely head eastward, and at its current rate is traveling five kilometers (three miles) a day.
Persons: Ella Gilbert, Oliver Marsh, A23a, Gilbert, Marsh Organizations: London CNN, Ronne, British Antarctic Survey, CNN Locations: Antarctica, Weddell, Greater London
[1/2] A satellite imagery of the world's largest iceberg, named A23a, seen in Antarctica, November 15, 2023. Courtesy of European Union/Copernicus Sentinel-3/Handout via REUTERS Acquire Licensing RightsNov 24 - The world's largest iceberg is on the move for the first time in more than three decades, scientists said on Friday. At almost 4,000 square km (1,500 square miles), the Antarctic iceberg called A23a is roughly three times the size of New York City. This will funnel it toward the Southern Ocean on a path known as "iceberg alley" where others of its kind can be found bobbing in dark waters. "Over time it's probably just thinned slightly and got that little bit of extra buoyancy that's allowed it to lift off the ocean floor and get pushed by ocean currents," said Marsh.
Persons: berg, Oliver Marsh, it's, Gloria Dickie, Olga Vyshnevska, William Maclean Organizations: European, Copernicus, REUTERS Acquire, Antarctica's, Ronne Ice Shelf, British Antarctic Survey, Antarctic, Thomson Locations: Antarctica, New York City, Soviet, Weddell, A23a, South Georgia, South Africa, London
CNN —The first cases of bird flu have been detected in seabirds in the Antarctic, according to the British Antarctic Survey, raising fears the disease will spread rapidly through dense colonies of birds and mammals. “Highly Pathogenic Avian Influenza (HPAI) has been confirmed in brown skua populations on Bird Island, South Georgia – the first known cases in the Antarctic region,” the British Antarctic Survey said in a statement Monday. South Georgia is part of the British overseas territory east of South America’s tip and just above Antarctica’s main landmass. The British Antarctic Survey believes the birds carried the disease on their return from migration to South America. The British Antarctic Survey, which is responsible for the UK’s national scientific activities in Antarctica, operates two research stations on South Georgia, including one at Bird Island where the confirmed cases were identified.
Persons: OFFLU, Organizations: CNN, British Antarctic Survey, South Georgia –, Centers for Disease Control, Food and Agriculture Organization, United Nations, Organisation for Animal Health Locations: South Georgia, Georgia, South, South America, Antarctica, Bird, Japan
CNN —Rapid melting of West Antarctica’s ice shelves may now be unavoidable as human-caused global warming accelerates, with potentially devastating implications for sea level rise around the world, new research has found. Even if the world meets ambitious targets to limit global heating, West Antarctica will experience substantial ocean warming and ice shelf melting, according to the new study published Monday in the journal Nature Climate Change. They act like buttresses, helping hold ice back on the land, slowing its flow into the sea and providing an important defense against sea level rise. While there has been growing evidence ice loss in West Antarctica may be irreversible, there has been uncertainty about how much can be prevented through climate policies. “The thing that’s depressing is the committed nature of sea level rise, particularly for the next century,” Scambos told CNN.
Persons: , Kaitlin Naughten, Naughten, ” Naughten, Ted Scambos, ” Scambos, Scambos, Tiago Segabinazzi Dotto, I’ve Organizations: CNN, British Antarctic Survey, University of Colorado Boulder, , National Oceanography, Science Media Center Locations: West Antarctica, Antarctica
The study, published in the journal Nature Climate Change on Monday, found no matter the degree of warming this century, the melting of the West Antarctic Ice Sheet will speed up as warmer water in the Amundsen Sea erodes ice shelves bordering the ocean. These ice shelves buttress ice further inland, acting as a cork in a bottle that stops their flow into the ocean. The collapse of the West Antarctic Ice Sheet is one of nine global climate 'tipping points' scientists identified in 2009. If the ice sheet were to fully melt, average global sea levels would rise by more than a metre. Antarctic Sea ice saw its lowest maximum extent on record this winter.
Persons: Lauren Dauphin, Kaitlin Naughten, Tiago Segabinazzi Dotto, Gloria Dickie, Ros Russell Organizations: NASA, REUTERS, British Antarctic Survey, West, National Oceanography, Thomson Locations: Antarctica, Handout, Amundsen, London
No matter how much the world cuts back on carbon emissions, a key and sizable chunk of Antarctica is essentially doomed to an “unavoidable” melt, a new study found. Researchers used computer simulations to calculate future melting of protective ice shelves jutting over Antarctica’s Amundsen Sea in western Antarctica. How much melting can still be prevented by reducing emissions?” said study lead author Kaitlin Naughten, an oceanographer at the British Antarctic Survey. In each case, ocean warming was just too much for this section of the ice sheet to survive, the study found. That part of Antarctica “is doomed,” said University of California Irvine ice scientist Eric Rignot, who wasn’t part of the study.
Persons: , Kaitlin Naughten, it’s, Naughten, Eric Rignot, Ted Scambos, ” Naughten, Moon, Kate Marvel, ” ___ Read, Seth Borenstein Organizations: West, British Antarctic Survey, University of California, ” University of Colorado, Associated Press, Data, Twitter, AP Locations: Amundsen, Antarctica, ” West Antarctica, University of California Irvine
Around 10,000 penguin chicks died after an ice bed they lived on broke apart, the BBC said. The emperor penguin chicks, who had not yet developed waterproof feathers, died last October. AdvertisementAdvertisement"Emperors depend on sea ice for their breeding cycle; it's the stable platform they use to bring up their young. Smyley Island emperor penguin colony on October 28, 2022 (left) versus December 3, 2022 (right). By the end of December 2022, sea ice extent was the lowest experienced in the 45-year satellite record.
Persons: Dr, Peter Fretwell Organizations: BBC, Service, British Antarctic Survey, Copernicus Sentinel Locations: Wall, Silicon, Bellingshausen, Antarctica
Four out of five emperor penguin colonies in Antarctica’s Bellingshausen Sea region very likely lost their chicks late last year because of disappearing sea ice underneath their breeding grounds, according to a new study. Parts of this coastal region had lost all of their sea ice by November, which was probably before penguin chicks had grown waterproof adult feathers and learned to swim. It’s the first time scientists have seen a widespread failure across multiple penguin colonies in a region, researchers said. “At the moment, we’re not sure if this is just a blip,” said Norman Ratcliffe, a seabird ecologist with the British Antarctic Survey and one of the authors of the new study. “But if this becomes a consistent phenomena in the longer term, clearly it’s going to have repercussions for the species.”
Persons: , we’re, , Norman Ratcliffe Organizations: British Antarctic Survey Locations: Antarctica’s Bellingshausen
CNN —As rapidly warming global temperatures help push Antarctica’s sea ice to unprecedented lows, it’s threatening the very existence of one of the continent’s most iconic species: emperor penguins. Emperor penguins rely on stable sea ice attached to land for nesting and raising their chicks. For the past few years, scientists have been sounding the alarm about a steep decline in Antarctica’s sea ice. In mid-July, Antarctic sea ice reached the lowest level for this time of year since records began in 1945. Antarctic sea ice also helps regulate the planet’s temperature, reflecting the sun’s incoming energy back to space.
Persons: Norman Ratcliffe, , Ratcliffe, Julian Quinones, , Cassandra Brooks, ” Ratcliffe Organizations: CNN, British Antarctic Survey, University of Colorado Boulder Locations: Bellingshausen, floes, Argentina, Antarctica
Penguins are seen on an iceberg as scientists investigate the impact of climate change on Antarctica's penguin colonies, on the northern side of the Antarctic peninsula, Antarctica January 15, 2022. There's no quick fix to replacing this ice," said Caroline Holmes, polar climate scientist at British Antarctic Survey and one of the study's co-authors. The precise impact of climate change on Antarctica and the surrounding ocean has been uncertain and scientists have struggled to measure how much global warming is affecting the thickness of Antarctic ice. "Antarctica is fragile as an environment, but extreme events test that fragility," he said. "What we're deeply concerned about is the increase in intensity and frequency of extreme events and the cascading influences that they have in other areas."
Persons: Natalie Thomas, Caroline Holmes, Tim Naish, " Naish, Martin Siegert, Siegert, David Stanway, Edmund Klamann Organizations: Penguins, REUTERS, Environmental, Antarctic Survey, Antarctic Research, Australia's Victoria University of Wellington, Global, University of Exeter, Thomson Locations: Antarctica, SINGAPORE, New Zealand, Australia
But what’s clear, she said, is “that current sea surface temperatures are exceptionally and unseasonably warm” and bringing wide-ranging implications, “especially for complex ecosystems such as coral reefs.”Gregory C. Johnson, an oceanographer at NOAA, said sea surface temperatures have soared this year. Surface temperatures tend to remain high from August through to September before starting to decline, said Johnson. “There’s still room to have warmer sea surface temperatures” this year. In the Florida Keys, a marine heat wave has pushed ocean temperatures to record-breaking, “hot tub” levels, leaving multiple coral reefs now completely bleached or dead. Some scientists are concerned that the ocean temperature records set this year could mark the start of an alarming trend for ocean heat.
Persons: El Niño, Kaitlin Naughten, Copernicus, , Gregory C, Johnson, “ There’s, , Samantha Burgess, “ We’ve, ” Johnson Organizations: CNN, Antarctic Survey, Oceanic, NOAA, North Atlantic, Ireland Locations: Florida, North, North Atlantic
‘Living on top of each other’Mission Antarctica: Each year, the UK Antarctic Heritage Trust sends a crack team to run one of the world's most remote post offices. UK Antarctic Heritage Trust Shovel your way in: It was a tough start. UK Antarctic Heritage Trust Food reserves: Unsurprisingly, fresh food is in short supply, other than what comes their way via visiting cruise ships. UK Antarctic Heritage Trust Kitted out: Those sunglasses are crucial if you don't want to risk snow blindness. UK Antarctic Heritage Trust The post office at the end of the world Prev NextThe chosen candidates beat out odds of one in a thousand – but this is not a cozy posting.
Persons: They’d, Clare Ballantyne, it’s, Ballantyne, Lucy Bruzzone, Mairi Hilton, Natalie Corbett, Camilla Nichol, Nichol, , , Vicky Inglis, ‘ Cheeriness, Cheeriness, They’ll, aren’t, Says Nichol Organizations: CNN, Britain’s Royal Navy, Port, Antarctic Heritage Trust, Base, Antarctic Heritage Trust Food, Antarctic Heritage, British Antarctic Survey, International Association of Antarctica Locations: there’s, Antarctica, Inglis, Montreal, Antarctic
The future of medicine may lie in space
  + stars: | 2023-06-17 | by ( Katie Hunt | ) edition.cnn.com   time to read: +6 min
Days after I got my first taste of working at a lab bench, a company set forth to prove scientific research can be successfully done in orbit without any humans present. Look upVarda Space Industries plans to use a small capsule, shown in the rendering above, to conduct pharmaceutical research in space. Varda Space industriesThe future of medicine may take flight in space. Unearthed in Ethiopia in 1974 and representing 40% of a skeleton, the remains revealed an early human relative who lived millions of years before Homo sapiens. Meanwhile, other, more recent fossil discoveries are shaking up what we know about early human migration.
Persons: Varda, Lucy, Dave Einsel, paleoanthropologist Dr, Ashleigh L.A, Wiseman, waddle, Frank Postberg, Jochen Brocks, , Ashley Strickland, Katie Hunt Organizations: CNN, Logan Science Journalism, Marine Biological, Space Industries, Research, British Antarctic Survey, Sky, University of Cambridge, ATP, Freie Universität Berlin, Australian National University, CNN Space, Science Locations: Woods Hole , Massachusetts, California, Antarctica, Weddell, Ethiopia, Barney Creek, Northern Australia, Australia, New England
CNN —Deep ocean water in the Antarctic is heating up and shrinking, with potentially far-reaching consequences for climate change and deep ocean ecosystems, according to a report. They also found that ocean waters deeper than 2,000 meters (6,600 feet) have warmed four times faster than the rest of the global ocean. They are a vital part of global ocean circulation, transporting human-caused carbon pollution into the deep ocean where it remains for centuries, said Silvano. If this deep circulation weakens, “less carbon can be absorbed by the deep ocean, limiting the ability of the ocean to mitigate global warming,” Silvano told CNN. This cold, dense water also has a vital role in supplying oxygen to deep ocean waters.
Persons: Povl, ” Alessandro Silvano, ” Silvano, , Holly Ayres, ” Ayres, Zhou Organizations: CNN, British Antarctic Survey, Weddell, University of Southampton, Reading University Locations: Weddell, Antarctica
Lucy Bruzzone is one of several women who spent the last five months working in Antarctica. Bruzzone found it surprisingly easy to adjust to life on the peninsula and said it didn't feel as remote as she expected. Historically, Antarctica has been an extremely male-dominated place; Port Lockroy didn't have its first female team member until 2001. The team spent five months in Antarctica through the UK Antarctic Heritage Trust. Between ship visits, we'd grab a quick lunch, restock the shop, cancel stamps on any postcards we'd received, and monitor the penguins on alternate days.
CNN —Ocean surface heat is at record-breaking levels. Since La Niña ended in March, ocean temperatures seem to be on a rebound, scientists say. Worrying impacts of ocean warmingWhatever the reasons behind the increase in ocean heat, the impacts are potentially catastrophic if temperatures continue to head off the charts. For now, ocean surface temperatures have started to fall, even if they remain high for this time of year. As scientists continue to analyze the reasons for record ocean warming, they are clear records will continue to be smashed as the climate crisis intensifies.
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