News tagged with animals

Related topics: plants , species , birds , offspring , insects

Viral relics show cancer's 'footprint' on our evolution

Viral relics show cancer's 'footprint' on our evolution Cancer has left its 'footprint' on our evolution, according to a study which examined how the relics of ancient viruses are preserved in the genomes of 38 mammal species.

Jul 17, 2014
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Animal vaccines should guide malaria research

Research into vaccines for malaria in humans should be guided by the success shown in producing effective vaccines for malaria-like diseases in animals, according to a University of Adelaide study.

Jul 07, 2014
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Energy drinks raise new questions about caffeine's safety

Caffeine, which was extensively researched for possible links to birth defects in animals and cardiovascular disease in humans over 30 years ago and then exonerated, has become the focus of renewed concerns as caffeine-containing ...

Jun 24, 2014
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Anxiety in invertebrates opens research avenues

Fr the first time, CNRS researchers and the Université de Bordeaux have produced and observed anxiety-like behavior in crayfish, which disappears when a dose of anxiolytic is injected. This work, published ...

Jun 23, 2014
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Animal

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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