Reference Terms
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Dog breed
A dog breed is a group of dogs that have very similar or nearly identical characteristics of appearance or behavior or, usually, both, primarily because they come from a select set of ancestors who had the same characteristics.
Note: The above text is excerpted from the Wikipedia article "Dog breed", which has been released under the GNU Free Documentation License.
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Plants & Animals News
December 9, 2024
Dec. 5, 2024 — A new study suggests that the fundamental abilities underlying human language and technological culture may have evolved before humans and apes diverged millions of years ...
Dec. 3, 2024 — Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high ...
Dec. 4, 2024 — Scientists have uncovered the first direct evidence that ancient Americans relied primarily on mammoth and other large animals for food. Their research sheds new light on both the rapid expansion of humans throughout the Americas and the extinction ...
Nov. 28, 2024 — More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed ...
Latest Headlines
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Dec. 9, 2024 — A research team has uncovered a molecular strategy employed by worm parasites (helminths) to evade host immune defenses. This discovery opens new avenues for the development of innovative vaccines ...
Dec. 5, 2024 — The fungus that causes coffee wilt disease repeatedly took up segments of DNA from a related fungal pathogen, which contributed to successive ...
Nov. 28, 2024 — Researchers analyzed the genomes of hundreds of malaria parasites to determine which genetic variants are most likely to confer drug ...
Dec. 9, 2024 — A new study shows that dogs trained to use soundboards to 'talk' are capable of making two-word button combinations that go beyond random behavior or simple imitation of their ...
Dec. 9, 2024 — Characterized by darkness and intense pressure, the ocean's hadal zone seems uninhabitable, yet dozens of unique organisms call it home. Each species discovered there adds a crucial piece to the ...
Dec. 6, 2024 — Desert ants of the Cataglyphis nodus species use the Earth's magnetic field for spatial orientation, but rely on a different component of the field than other insects. The survey suggests that the ...
Dec. 5, 2024 — Extreme weather and pollution have increased the salt content in some soil, making growing conditions harsh for salt-sensitive crops like rice. Now, researchers detail a possible solution that ...
Dec. 4, 2024 — Consuming dark, but not milk, chocolate may be associated with lower risk of developing type 2 diabetes (T2D), according to a new ...
Dec. 5, 2024 — When a forest is lost to development, some effects are obvious. Stumps and mud puddles across the landscape, a plowed field or houses a year after that. But deforestation isn't just a loss of trees; ...
Dec. 5, 2024 — Circadian clocks control physiological processes and behavior in virtually all living organisms. Now an international research team has created a detailed map of the internal clock in the brain of ...