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Scottvut

03 Apr 2025 - 07:18 am

Narwhals may be using their tusks to play, new study finds
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Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, according to the latest research.

The narwhal, often referred to as the “unicorn of the sea” in a nod to its trademark tusk, has long remained an enigma. Scientists have observed few interactions of narwhals in their natural habitat, creating speculation about the purpose of the species’ distinctive spiraling tusk.
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Found predominantly in males, the tusk grows up to 10 feet (3 meters) long — and previous research has suggested it serves as a competitive display to secure mates. But now, with the help of drones, research conducted in the Canadian High Arctic has uncovered that a narwhal may use its tusk for more than just courtship.

In total, the researchers newly identified and described 17 distinct behaviors of narwhals involving prey. The findings revealed a wide range of interactions and dynamics between narwhals and fish as well as the extraordinary agility, precision and speed of their tusks to track moving targets, according to the study published February 27 in the journal Frontiers in Marine Science.

“Seeing that these animals are not actually hunting the fish but exploring, manipulating and interacting with it was really a game changer,” said lead author Dr. Gregory O’Corry-Crowe, a research professor in the Harbor Branch Oceanographic Institute at Florida Atlantic University.

Since so little is understood about this whale species, researchers like O’Corry-Crowe and his colleagues are working diligently to conduct studies to document narwhals’ unknown behaviors to better understand how these animals adapt in a rapidly shifting habitat as oceans warm and sea ice melts.
Narwhal exploratory behavior
The study team captured the groundbreaking footage using drones in Creswell Bay, on the eastern side of Somerset Island in Canada’s Nunavut territory, during the summer of 2022.

As the researchers analyzed the footage, they noticed subtle nuances in the narwhals’ behavior. Footage even captured one instance of a narwhal interacting with a fish by repeatedly nudging it with its tusk — which is actually a giant tooth — without attempting to eat it.

When researchers observed a lack of aggression in some interactions between narwhals and fish, they realized these scenarios were more similar to a cat-and-mouse game, in which the animals were chasing or “playing” rather than hunting, O’Corry-Crowe said.

Daviddiede

03 Apr 2025 - 07:14 am

Narwhals may be using their tusks to play, new study finds
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Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, according to the latest research.

The narwhal, often referred to as the “unicorn of the sea” in a nod to its trademark tusk, has long remained an enigma. Scientists have observed few interactions of narwhals in their natural habitat, creating speculation about the purpose of the species’ distinctive spiraling tusk.
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Found predominantly in males, the tusk grows up to 10 feet (3 meters) long — and previous research has suggested it serves as a competitive display to secure mates. But now, with the help of drones, research conducted in the Canadian High Arctic has uncovered that a narwhal may use its tusk for more than just courtship.

In total, the researchers newly identified and described 17 distinct behaviors of narwhals involving prey. The findings revealed a wide range of interactions and dynamics between narwhals and fish as well as the extraordinary agility, precision and speed of their tusks to track moving targets, according to the study published February 27 in the journal Frontiers in Marine Science.

“Seeing that these animals are not actually hunting the fish but exploring, manipulating and interacting with it was really a game changer,” said lead author Dr. Gregory O’Corry-Crowe, a research professor in the Harbor Branch Oceanographic Institute at Florida Atlantic University.

Since so little is understood about this whale species, researchers like O’Corry-Crowe and his colleagues are working diligently to conduct studies to document narwhals’ unknown behaviors to better understand how these animals adapt in a rapidly shifting habitat as oceans warm and sea ice melts.
Narwhal exploratory behavior
The study team captured the groundbreaking footage using drones in Creswell Bay, on the eastern side of Somerset Island in Canada’s Nunavut territory, during the summer of 2022.

As the researchers analyzed the footage, they noticed subtle nuances in the narwhals’ behavior. Footage even captured one instance of a narwhal interacting with a fish by repeatedly nudging it with its tusk — which is actually a giant tooth — without attempting to eat it.

When researchers observed a lack of aggression in some interactions between narwhals and fish, they realized these scenarios were more similar to a cat-and-mouse game, in which the animals were chasing or “playing” rather than hunting, O’Corry-Crowe said.

Davidcogue

03 Apr 2025 - 05:52 am

Narwhals may be using their tusks to play, new study finds
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Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, according to the latest research.

The narwhal, often referred to as the “unicorn of the sea” in a nod to its trademark tusk, has long remained an enigma. Scientists have observed few interactions of narwhals in their natural habitat, creating speculation about the purpose of the species’ distinctive spiraling tusk.
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Found predominantly in males, the tusk grows up to 10 feet (3 meters) long — and previous research has suggested it serves as a competitive display to secure mates. But now, with the help of drones, research conducted in the Canadian High Arctic has uncovered that a narwhal may use its tusk for more than just courtship.

In total, the researchers newly identified and described 17 distinct behaviors of narwhals involving prey. The findings revealed a wide range of interactions and dynamics between narwhals and fish as well as the extraordinary agility, precision and speed of their tusks to track moving targets, according to the study published February 27 in the journal Frontiers in Marine Science.

“Seeing that these animals are not actually hunting the fish but exploring, manipulating and interacting with it was really a game changer,” said lead author Dr. Gregory O’Corry-Crowe, a research professor in the Harbor Branch Oceanographic Institute at Florida Atlantic University.

Since so little is understood about this whale species, researchers like O’Corry-Crowe and his colleagues are working diligently to conduct studies to document narwhals’ unknown behaviors to better understand how these animals adapt in a rapidly shifting habitat as oceans warm and sea ice melts.
Narwhal exploratory behavior
The study team captured the groundbreaking footage using drones in Creswell Bay, on the eastern side of Somerset Island in Canada’s Nunavut territory, during the summer of 2022.

As the researchers analyzed the footage, they noticed subtle nuances in the narwhals’ behavior. Footage even captured one instance of a narwhal interacting with a fish by repeatedly nudging it with its tusk — which is actually a giant tooth — without attempting to eat it.

When researchers observed a lack of aggression in some interactions between narwhals and fish, they realized these scenarios were more similar to a cat-and-mouse game, in which the animals were chasing or “playing” rather than hunting, O’Corry-Crowe said.

Chancetruff

03 Apr 2025 - 05:52 am

DOGE attempts to enter an agency building led to physical standoff that spilled into court
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A small federal agency that sends money to help communities in Africa became a flashpoint Thursday in the Trump administration’s efforts to shut down foreign aid and reduce the size of the federal government.

A Trump-backed government official, staffers from the Department of Government Efficiency and federal law enforcement entered the offices of the U.S. African Development Foundation on Thursday, and the fight between the Senate-confirmed foundation’s board and Trump administration emissaries spilled into an emergency court fight, according to court records and photos of the in-person standoff captured by the New York Times.
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The standoff was quelled when a judge stepped in Thursday afternoon, keeping the foundation’s existing board in place for a few days until a court hearing could take place.

The African Development Foundation, an independent agency that has provided more than $100 million to African farmers, entrepreneurs and community organizations in the last five years, has been among the foreign aid groups that Trump has targeted to eliminate via an executive order he issued two weeks ago. The work of DOGE at the agency so far, the lawsuit says, mirrors how other foreign aid agencies have been dismantled by the Trump administration.

Trump’s plan for the African Development Foundation snapped into action almost immediately, with DOGE staffers meeting with the foundation’s leadership within days of Trump’s February 21 executive order. The Trump administration then told a board member, Ward Brehm, he was being removed from his position, and a new acting chair would be in charge.
Faced with the overhaul, the board held an emergency meeting on Monday to push back, according to a lawsuit filed in federal court in Washington this week. The board decided Trump’s appointee, Peter Marocco — the de-facto acting leader of USAID, another agency Trump has targeted — was not lawfully in the job, and they alerted Congress, the removed board member Ward Brehm’s lawsuit said.

Marocco still showed up at the fund’s headquarters with staffers of the Department of Government Efficiency on Wednesday afternoon. They “were denied access to those offices,” the lawsuit said. “Marocco and his colleagues threatened to return to the offices with United States Marshals and Secret Service.”

Edgarshoob

03 Apr 2025 - 05:11 am

кскурсия на Куршскую косу из Калининграда

Куршская коса уникальное природное образование и одно из самых благовидных мест в Калининградской области. Это узенькая песочная коса, омываемая Балтийским морем вроде как и Куршским заливом с иной. Экскурсия на Куршскую косу из Калининграда это возможность насладиться классными пейзажами, выяснить больше о природе и истории региона, но также отдохнуть на берегу моря.

Начало экскурсии

Экскурсионная поездка, как правило, начинается рано днем. Туристы собираются в центре Калининграда, в каком месте их встречает гид. В пути до Куршской косы наслаждаются прекрасными пейзажами, проезжая мимо зелёных лесов и великолепных деревень.

Заповедник Куршская коса

Вход на Куршскую косу исполняется через специальный контроль, поскольку это оберегаемая территория. Гид скажет о заповедной зоне и её уникальной экосистеме. Куршская коса это дом для большого колличества редких видов растений и животных, включая белок, лосей и множество птиц.

Программка экскурсии

1. Музей Куршской косы
Одной из первых остановок будет Музей куршской косы, где туристы смогут выяснить больше о флоре и фауне этого уникального места. Экспозиции музея расскажут о традициях коренных жителей и истории освоения косы.

2. Дюнный район
Дальше экскурсия отчаливает в дюнный район, где размещены величавые песчаные дюны. Здесь можно подняться на одну из самых больших дюн и насладиться завораживающим видом на море и залив.

3. Смотровая площадка
Обязательно стоит посетить смотровую площадку, с какого места открывается панорамный вид на окрестности. Тут можно сделать прекрасные фото снимки наизусть [url=https://kurshskaya-kosa-ekskursii.ru/]куршская коса экскурсии из зеленоградска самостоятельно[/url]

4. Прогулка по побережью
После осмотра достопримечательностей экскурсия длится прогулкой по побережью Балтийского моря. Наслаждаются свежайшим воздухом, пособирать ракушки и просто отдохнуть на пляже.

5. Ужин с местными деликатесами
Экскурсионная поездка закончится ужином в одном из местных ресторанов, где предложат попробовать блюда из свежепойманной рыбы и другие деликатесы местной кухни.

Заключение

Экскурсионная поездка на Куршскую косу из Калининграда это незабвенное странствие, которое подарит для вас огромное количество ярких воспоминаний и позволит пройтись по местам, насыщенным природной красой и историей. Если вы отыскиваете отдых на природе, новые знакомства и много положительных эмоций, не пропустите возможность посетить это чудесное место!

Jamiecob

03 Apr 2025 - 04:59 am

Укладка паркета — это ответственный и сложный процесс, который требует внимания. Поскольку пол является одним из ключевых элементов интерьера, важно правильно выполнить укладку, чтобы обеспечить комфорт вашего пространства.

Подготовка к укладке

Перед началом укладки стоит уделить время проверке. Это поможет избежать неприятных сюрпризов.

1. Выбор материала: Прежде всего, выберите подходящий вид паркета. Популярные разновидности включают инженерную доску.
2. Подготовка основания: Основание должно быть выравненным. Проверьте его на наличие трещин.
3. Изоляция: Укладка шумоизоляционного материала поможет избежать проблем с влагой.

Технология укладки

Существует несколько основных способов укладки паркета, каждый из которых имеет свои преимущества:

- Клейкий метод: Доски приклеиваются к основанию. Это надежный способ, который часто используется для массивного паркета.
- Замковая система: Этот метод обеспечивает легкость укладки и позволяет провести уход без трудностей. Доски соединяются между собой, что делает укладку более быстрой.
- Плавающий способ: В этом случае паркет укладывается на основу и не крепится к основанию. Это практичный метод, особенно в условиях переменной влажности [url=http://kafdp.or.kr/bbs/board.php?bo_table=free&wr_id=2145483]http://kafdp.or.kr/bbs/board.php?bo_table=free&wr_id=2145483[/url]

Уход за паркетом

Важно помнить, что укладка паркета — это только часть процесса. Чтобы пол оставался в отличном состоянии, необходимо соблюдать правила ухода:

- Регулярная уборка: Для удаления пыли и грязи используйте антистатические щетки или пылесосы с насадками для твердых полов.
- Избавление от воды: Паркеты не переносят влажность, поэтому не используйте много воды при мытье.
- Защита от повреждений: Установите резинки на ножки мебели, чтобы предотвратить появление царапин и вмятин.

Заключение

Укладка паркета — это важный и ответственный процесс, который влияет на стиль и атмосферу вашего дома. Следуя рекомендациям, вы сможете достичь отличного результата и наслаждаться красивым полом долгое время. Не забывайте, что правильный уход за паркетом также играет важную роль в его долговечности.

Henryvorce

03 Apr 2025 - 04:51 am

Narwhals may be using their tusks to play, new study finds
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Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, according to the latest research.

The narwhal, often referred to as the “unicorn of the sea” in a nod to its trademark tusk, has long remained an enigma. Scientists have observed few interactions of narwhals in their natural habitat, creating speculation about the purpose of the species’ distinctive spiraling tusk.
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Found predominantly in males, the tusk grows up to 10 feet (3 meters) long — and previous research has suggested it serves as a competitive display to secure mates. But now, with the help of drones, research conducted in the Canadian High Arctic has uncovered that a narwhal may use its tusk for more than just courtship.

In total, the researchers newly identified and described 17 distinct behaviors of narwhals involving prey. The findings revealed a wide range of interactions and dynamics between narwhals and fish as well as the extraordinary agility, precision and speed of their tusks to track moving targets, according to the study published February 27 in the journal Frontiers in Marine Science.

“Seeing that these animals are not actually hunting the fish but exploring, manipulating and interacting with it was really a game changer,” said lead author Dr. Gregory O’Corry-Crowe, a research professor in the Harbor Branch Oceanographic Institute at Florida Atlantic University.

Since so little is understood about this whale species, researchers like O’Corry-Crowe and his colleagues are working diligently to conduct studies to document narwhals’ unknown behaviors to better understand how these animals adapt in a rapidly shifting habitat as oceans warm and sea ice melts.
Narwhal exploratory behavior
The study team captured the groundbreaking footage using drones in Creswell Bay, on the eastern side of Somerset Island in Canada’s Nunavut territory, during the summer of 2022.

As the researchers analyzed the footage, they noticed subtle nuances in the narwhals’ behavior. Footage even captured one instance of a narwhal interacting with a fish by repeatedly nudging it with its tusk — which is actually a giant tooth — without attempting to eat it.

When researchers observed a lack of aggression in some interactions between narwhals and fish, they realized these scenarios were more similar to a cat-and-mouse game, in which the animals were chasing or “playing” rather than hunting, O’Corry-Crowe said.

Howardbig

03 Apr 2025 - 04:49 am

Сильные стороны строй материалов на основе лиственницы

Лиственница это один из самых фаворитных и востребованных древесных материалов в строительстве и отделке. Из-за своим уникальным свойствам, лиственница становится отличным выбором для творенья разных частей строительных конструкций. Рассмотрим сильные стороны строительных материалов на основе лиственницы.

Высокая крепкость и долговечность

1. Долговечность
Лиственница владеет высокой устойчивостью к внешним воздействиям и может служить десятилетиями без утраты своих эксплуатационных черт. Это крепко связано с природными защитными маслами, которые содержатся в древесине.

2. Крепкость
Лиственница характеризуется хорошей прочностью на сжатие и извив, что делает её безупречной для конструктивных частей, таких как балки и столбы.

Сопротивляемость к влаге и гниению

1. Водоустойчивость
Лиственница обладает естественной способностью противостоять негативным воздействием воды. Это дает возможность её применению в строительстве объектов на открытом воздухе, в том числе террасы, мостики и садовая мебель.

2. Устойчивость к гнили
Благодаря своим защитным свойствам, лиственница менее подвержена тлению и воздействию насекомых, что снижает необходимость в дополнительной обработке и уходе.

Экологическая безопасность

1. Естественный материал
Лиственница это натуральный древесный материал, который не содержит вредных химических веществ. Это делает её безопасной для здоровья человека и находящейся вокруг среды [url=https://lib39.ru/forum/index.php?PAGE_NAME=profile_view&UID=77101]https://lib39.ru/forum/index.php?PAGE_NAME=profile_view&UID=77101[/url]

2. Возобновляемый ресурс
Лиственница является возобновляемым ресурсом, что делает её более экологически чистым выбором по сравнению с синтетическими строительными материалами.

Эстетичность и обилие внедрения

1. Привлекательный внешний вид
Лиственница имеет благовидную текстуру и цвет, который с течением времени только улучшается. Это делает её хорошим выбором для отделки интерьеров и фасадов.

2. Универсальность
Лиственница используется в самых разнообразных строительных проектах от создания мебели и окон до отделки полов и стенок. Её можно просто обрабатывать и укладывать.

Устойчивость к температурным колебаниям

1. Малая усадка
Лиственница проявляет устойчивость к усадке и деформации при изменениях температуры и влажности, что делает её надежным материалом для строительства.

2. Термонепроводимость
Лиственница обладает хорошими изолирующими свойствами, что позволяет снизить теплоотдачи и повысить энергоэффективность зданий.

Заключение

Строй материалы на основе лиственницы имеют множество сильных сторон, которые делают их идеальным выбором для разных строй проектов. Высочайшая прочность, устойчивость к влаге, экологическая безопасность и эстетика это все делает лиственницу востребованным материалом на рынке. Если вы разыскиваете надежные и прекрасные строительные решения, лиственница станет хорошим вариантом.

Alfrednenny

03 Apr 2025 - 04:34 am

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