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Animal

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Animals are a major group of mostly multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously and independently. Most animals are also heterotrophs, meaning they must ingest other organisms for sustenance.

Most known animal phyla appeared in the fossil record as marine species during the Cambrian explosion, about 542 million years ago.

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News tagged with animals


Climate change puts ecosystems on the run, researchers say

Climate change puts ecosystems on the run, researchers say

Space & Earth / Environment

created Dec 27, 2009 | popularity 2.3 / 5 (18) | comments 39

(PhysOrg.com) -- Global warming is causing habitats to move across the landscape. Can the creatures living there keep up? If they can't, some species may die out, researchers say.


Student-Made 'Sustain-a-Bear' Puts Green Spin on Timeless Toy

Student-Made 'Sustain-a-Bear' Puts Green Spin on Timeless Toy

Technology / Other

created Dec 22, 2009 | popularity 1 / 5 (1) | comments 1

Most teddy bears, regretfully, face a lonesome retirement once their owners grow up or move on.





Search results for animals


Johns Hopkins scientists discover a controller of brain circuitry

Scientists discover a controller of brain circuitry

Medicine & Health / Neuroscience

created 23 hours ago | popularity 4.9 / 5 (14) | comments 2

By combining a research technique that dates back 136 years with modern molecular genetics, a Johns Hopkins neuroscientist has been able to see how a mammal's brain shrewdly revisits and reuses the same molecular ...


Pressure rises to stop antibiotics in agriculture (AP)

Pressure rises to stop antibiotics in agriculture

Space & Earth / Environment

created Dec 28, 2009 | popularity 4.8 / 5 (5) | comments 1

(AP) -- The mystery started the day farmer Russ Kremer got between a jealous boar and a sow in heat.


First molars provide insight into evolution of great apes, humans

First molars provide insight into evolution of apes, humans

Biology / Evolution

created Dec 28, 2009 | popularity 3 / 5 (2) | comments 0

(PhysOrg.com) -- The timing of molar emergence and its relation to growth and reproduction in apes is being reported by two scientists at Arizona State University's Institute of Human Origins in the Dec. 28 ...


Cockroaches offer inspiration for running robots

Cockroaches offer inspiration for running robots

Electronics / Robotics

created Dec 28, 2009 | popularity 4.8 / 5 (4) | comments 0

The sight of a cockroach scurrying for cover may be nauseating, but the insect is also a biological and engineering marvel, and is providing researchers at Oregon State University with what they call "bioinspiration" ...


Molecular chaperone keeps bacterial proteins from slow-dancing to destruction

Biology / Cell & Microbiology

created Dec 28, 2009 | popularity 4 / 5 (1) | comments 0

Just like teenagers at a prom, proteins are tended by chaperones whose job it is to prevent unwanted interactions among immature clients. And at the molecular level, just as at the high school gym level, it's a job that usually ...


A 'fountain of youth' for stem cells?

Medicine & Health / Research

created Dec 28, 2009 | popularity 5 / 5 (3) | comments 0

Researchers from the University of Hong Kong and the Massachusetts Institute of Technology have published a study in the current issue of Cell Transplantation, that explores ways to successfully keep stem cells "forever young" ...


Student sleuths using DNA reveal zoo of 95 species in NYC homes -- and new evidence of food fraud

Student sleuths using DNA reveal zoo of 95 species in NYC homes -- and new evidence of food fraud

Biology / Cell & Microbiology

created Dec 28, 2009 | popularity 5 / 5 (12) | comments 4

Two New York City high school students exploring their homes using the latest high-tech DNA analysis techniques were astonished to discover a veritable zoo of 95 animal species surrounding them, in everything ...


Researchers find clues to why some continue to eat when full

Researchers find clues to why some continue to eat when full

Medicine & Health / Psychology & Psychiatry

created Dec 28, 2009 | popularity 4.6 / 5 (10) | comments 0

The premise that hunger makes food look more appealing is a widely held belief - just ask those who cruise grocery store aisles on an empty stomach, only to go home with a full basket and an empty wallet.


Ladder-walking locusts show big brains aren't always best

Ladder-walking locusts show big brains aren't always best

Biology / Plants & Animals

created Dec 24, 2009 | popularity 5 / 5 (7) | comments 1

Scientists have shown for the first time that insects, like mammals, use vision rather than touch to find footholds. They made the discovery thanks to high-speed video cameras - technology the BBC uses to ...


Scientists show that plants have measure of the shortest day

Biology / Plants & Animals

created Dec 23, 2009 | popularity 5 / 5 (2) | comments 1

(PhysOrg.com) -- It is not only people who feel the effects of short winter days - new research by the University of Edinburgh and the University of Warwick has shed light on how plants calculate their own winter solstice. ...



List of search results for animals