Reference Terms

from Wikipedia, the free encyclopedia

Narwhal

The narwhal an Arctic species of cetacean.

Note: The above text is excerpted from the Wikipedia article "Narwhal", which has been released under the GNU Free Documentation License.

For more information, see the following related content on ScienceDaily:

1

2

The Narwhal's Tusk Reveals Its Past Living Conditions

Mar. 11, 2021 — Every year, a new growth layer is added to the narwhal's spiralled tusk. The individual layers act as an archive of data that reveals what and where the animal has eaten, providing a glimpse of ...

Clarifying the Chaos of Narwhal Behavior

Sep. 23, 2022 — Chaos theory improves understanding of Arctic narwhal behavior, with the aim of helping efforts to protect this vulnerable ...

Narwal Tusks Reveal Mercury Exposure Related to Climate Change

Mar. 29, 2021 — In the Arctic, climate change and pollution are the biggest threats to top predators like narwals. Studying the animals' tusks reveals that diet and exposure to pollution have shifted over the ...

As Sea Ice Retreats, Narwhals Are Changing Their Migration Patterns

Oct. 25, 2022 — Narwhals are changing their migration patterns in response to pressure from changing Arctic climates, a new UBC report has ...

After Thousands of Years, an Iconic Whale Confronts a New Enemy

Dec. 17, 2021 — The iconic tusked whale of the Arctic has a new enemy -- noise. A unique study shows that narwhals are highly affected by noise from ships and seismic airgun pulses -- even at 20-30 kilometers away. ...

Centuries of Whaling Data Highlight Likely Climate Change Effect

Feb. 28, 2023 — Centuries-old whaling records show how southern right whales are altering their feeding ...

Endangered Whales Live in Area Earmarked for Gas Exploration

Oct. 26, 2023 — Endangered whales and dolphins live year-round in an area of the Mediterranean earmarked for oil and gas exploration, new research ...

Unlocking the Secrets of Killer Whale Diets and Their Role in Climate Change

May 19, 2022 — Researchers have discovered new clues to understand how killer whales impact their ...

Warming Atlantic Drives Right Whales Towards Extinction

Sep. 1, 2021 — Warming oceans have driven the critically endangered North Atlantic right whale population from its traditional and protected habitat, exposing the animals to more lethal ship strikes, disastrous ...

Arctic Birds Connect the World: Biologging Tech Tracking of Nearctic Seabirds Surprise Scientists With Diverse Migratory Paths from Shared Breeding Site

Dec. 21, 2021 — As the Arctic and the oceans warm due to climate change, understanding how a rapidly changing environment may affect birds making annual journeys between the Arctic and the high seas is vital to ...

Plants & Animals News

December 9, 2023

'Shocking' Discovery: Electricity from Electric Eels May Transfer Genetic Material to Nearby Animals

Dec. 5, 2023 — Researchers have discovered that electric eels can alter the genes of tiny fish larvae with their electric shock. Their findings help to better understand electroporation, a method by which genes can ...

Mice Pass the Mirror Test, a Classic Indicator of Self-Recognition

Dec. 5, 2023 — Researchers report that mice display behavior that resembles self-recognition when they see themselves in the mirror. When the researchers marked the foreheads of black-furred mice with a spot of white ink, the mice spent more time grooming their ...

More Than a Meteorite: New Clues About the Demise of Dinosaurs

Dec. 4, 2023 — What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately set the stage for the dinosaur extinction, challenging the ...

Twin Research Indicates That a Vegan Diet Improves Cardiovascular Health

Nov. 30, 2023 — A recent trial of identical twins comparing vegan and omnivore diets found that a vegan diet improves overall cardiovascular ...

Latest Headlines

updated 12:56 pm ET

New Insights Into Zebra Mussel Attachment Fibers Offer Potential Solutions to Combat Invasive Species, Develop Sustainable Materials

Dec. 8, 2023 — A recent study has revealed that an unlikely event, occurring over 12 million years ago played an important role in shaping one of Canada's most ...

Manipulation of Gut Microbiota With Flaxseed Could Reduce Breast Cancer Risk

Dec. 7, 2023 — A new study demonstrates that the human gut microbiome may be a factor in breast ...

Tiny Llama Nanobodies Neutralize Different Noroviruses: Can They Improve Human Anti-Viral Therapies?

Dec. 7, 2023 — Researchers investigated a novel strategy to neutralize human noroviruses. They tested the ability of tiny antibodies produced by llamas, called ...

Protected Areas in Thailand Are at a Higher Risk of Forest Fires When Located Away from Indigenous Communities

Dec. 7, 2023 — Research has found that national parks and protected areas are at a higher risk of forest fires when located farther away from indigenous ...

Zika's Shape-Shifting Machinery, and a Possible Vulnerability

Dec. 8, 2023 — Viruses have limited genetic material -- and few proteins -- so all the pieces must work extra hard. Zika is a great example; the virus only produces 10 proteins. Now researchers have shown how the ...

Suburban Backyard Home to More Than 1,000 Species

Dec. 8, 2023 — A challenge among three housemates to identify species around their inner-Brisbane home has resulted in an academic research paper, showcasing the rich biodiversity in urban landscapes. ...

How Immune Cells Recognize Their Enemies

Dec. 8, 2023 — In order for immune cells to do their job, they need to know against whom they should direct their attack. Research teams a have identified new details in this ...

Adapting to Hypoxia: Zooplankton Influence the Efficiency of the Biological Carbon Pump in the Humboldt Current Off Peru

Dec. 8, 2023 — Marine organisms play a crucial role in the global carbon cycle. Phytoplankton absorb carbon dioxide from the atmosphere and sequester it in organic ...

Immersive VR Goggles for Mice Unlock New Potential for Brain Science

Dec. 8, 2023 — New miniature virtual reality (VR) goggles provide more immersive experiences for mice living in laboratory settings. By more faithfully simulating natural environments, the researchers can more ...

Climate Change Will Increase Wildfire Risk and Lengthen Fire Seasons

Dec. 8, 2023 — Wildfires are some of the most destructive natural disasters in the country, threatening lives, destroying homes and infrastructure, and creating air pollution. In order to properly forecast and ...