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Brunt Ice Shelf in Antarctica calves new iceberg

A large iceberg (380 km2), about the size of the Isle of Wight, has broken off the 150m-thick Brunt Ice Shelf. It broke off after a crack suddenly appeared in the ice shelf a few weeks ago. The final break happened in the early hours of Monday, 20 Ma.....»»

Category: topSource:  physorgMay 23rd, 2024

New research sheds light on how harmful fungi could become helpful and reduce food waste

Mold and diseases caused by fungi can greatly impact the shelf life of fruit and vegetables. However, some fungi benefit their hosts by aiding plant survival. Colletotrichum tofieldiae (Ct) is a root mold that typically supports continued plant devel.....»»

Category: topSource:  theglobeandmailRelated NewsSep 6th, 2023

Study suggests human shoulders and elbows first evolved as brakes for climbing apes

The rotating shoulders and extending elbows that allow humans to reach for a high shelf or toss a ball with friends may have first evolved as a natural braking system for our primate ancestors who simply needed to get out of trees without dying......»»

Category: topSource:  informationweekRelated NewsSep 6th, 2023

A case of melanism found in a wild gentoo penguin living in Antarctica

A small team of team of biologists affiliated with several institutions in Argentina has found an instance of melanism in a wild gentoo penguin living in Antarctica. In their paper published in the journal Polar Biology, the group describes the speci.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2023

Icequakes in Antarctica linked to ocean tides

When the ground rumbles in Antarctica, it may be an icequake—like an earthquake but caused by the movement of ice, not rock. A new study by Penn State researchers found that these seismic events are driven by ocean tides at a major ice stream in We.....»»

Category: topSource:  physorgRelated NewsAug 28th, 2023

Rat poison is killing our beloved native owls and tawny frogmouths. And that"s the tip of the iceberg

There's nothing quite like having a rodent problem in your home. Most people will do anything to get rid of them......»»

Category: topSource:  physorgRelated NewsAug 27th, 2023

Warming decimates Antarctica"s emperor penguin chicks

Helpless emperor penguin chicks perished at multiple breeding grounds in West Antarctica late last year, drowning or freezing to death when sea ice eroded by global warming gave way under their tiny feet, scientists said Thursday......»»

Category: topSource:  physorgRelated NewsAug 27th, 2023

Tides may be responsible for up to 69% of under-ice melting in an Antarctica ice shelf

The ice shelves—the marine-terminating glaciers of the Antarctic Ice Sheet—are melting, and it's not just because of rising atmospheric temperatures. In a one-two punch, ice shelves in Antarctica are fighting a losing battle against rising temper.....»»

Category: topSource:  physorgRelated NewsAug 25th, 2023

Antarctica has never needed our help more, says researcher who has spent 40 years studying the frozen continent

After decades immersed in Antarctic science, I've learned that physical and biological changes rarely occur smoothly. More often than not, they unfold in sharp steps. Right now, Antarctica's climate and ecosystems are experiencing disturbing changes......»»

Category: topSource:  physorgRelated NewsAug 22nd, 2023

Delineating the pathways of warm water towards East Antarctica"s Totten Glacier

The Totten Glacier, located in the East Antarctica Ice Sheet, is also a major contributor to global sea-level rise. However, the details of how offshore ocean heat reaches the glacier's ice shelf cavity remain elusive. Now, researchers have used data.....»»

Category: topSource:  physorgRelated NewsAug 22nd, 2023

Antarctica risks "cascades of extreme events" as Earth warms, study says

Extreme weather in Antarctica, including ocean heat waves and ice loss, is set to become more intense unless urgent policy action reduces the burning of fossil fuels, a new study has found—the latest to sound the alarm on the damage climate change.....»»

Category: topSource:  physorgRelated NewsAug 12th, 2023

New Antarctic extremes "virtually certain" as world warms

Extreme events in Antarctica such as ocean heat waves and ice loss will almost certainly become more common and more severe, researchers say......»»

Category: topSource:  physorgRelated NewsAug 8th, 2023

Antarctica is missing a chunk of sea ice bigger than Greenland. What"s going on?

Deadly heatwaves, raging wildfires and record global temperatures are upon us. But far from the flames, at the southernmost tip of the planet, something just as shocking is unfolding......»»

Category: topSource:  physorgRelated NewsAug 1st, 2023

Study reveals how delayed Antarctic melt season reduces albedo feedback

The ice-covered continent of Antarctica is not free from climate change. On the contrary, a rise in temperatures at high latitudes is much stronger than that in global mean temperatures, a phenomenon known as the polar amplification effect......»»

Category: topSource:  physorgRelated NewsJul 28th, 2023

Examining how El Niño affects precipitation over the Antarctic Peninsula and West Antarctica

The precipitation in West Antarctica, especially around the Antarctic Peninsula, exhibits large variability on the interannual time scale. In recent years, scientific research activities, tourism and fisheries have been experiencing remarkable growth.....»»

Category: topSource:  physorgRelated NewsJul 25th, 2023

Modifying shelf-life of melons via gene editing

The gaseous plant hormone ethylene has been long known to promote fruit ripening and plays a certain role in shelf-life. In a study published in Frontiers in Genome Editing, researchers performed gene editing using the Clustered Regularly Interspaced.....»»

Category: topSource:  physorgRelated NewsJul 25th, 2023

Philippines orders evacuations ahead of Super Typhoon Doksuri

A super typhoon swept towards the northern Philippines on Tuesday, the country's weather agency said, triggering evacuation orders for coastal communities expected to bear the brunt of the powerful storm......»»

Category: topSource:  physorgRelated NewsJul 25th, 2023

Exploring the role of ice sheets for the climate

In recent decades the ice sheets of Greenland and Antarctica have decreased dramatically, and scientific projections suggest an increasing retreat in the future. Ice sheets form on land in regions with sufficient snowfall, which compacts and forms ic.....»»

Category: topSource:  physorgRelated NewsJul 21st, 2023

Precision technology, machine learning lead to early diagnosis of calf pneumonia

Monitoring dairy calves with precision technologies based on the "internet of things," or IoT, leads to the earlier diagnosis of calf-killing bovine respiratory disease, according to a new study. The novel approach—a result of crosscutting collabor.....»»

Category: topSource:  pcmagRelated NewsJul 14th, 2023

New toxin facilitates disease infection and spread in wheat

Although wheat was among the first domesticated food crops, it remains a global dietary staple several millennia later. Grown on every continent except Antarctica, wheat is the second highest produced grain worldwide, with nearly 800,000 metric tons.....»»

Category: topSource:  physorgRelated NewsJul 13th, 2023

Has the century-old mystery of Antarctica’s “Blood Falls” finally been solved?

The culprit: tiny non-crystalline nanospheres rich in iron, silica, calcium, aluminum, etc. Enlarge / Blood Falls seeps from the end of the Taylor Glacier into Lake Bonney. Scientists believe a buried saltwater reservoir is partl.....»»

Category: topSource:  arstechnicaRelated NewsJul 12th, 2023