A carnivorous, cannibalistic tadpole may play a role in understanding the evolution and development of digestive organs, according to research from North Carolina State University. These findings may also shed light on universal ...
Evolution
May 8, 2013
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(Phys.org) —The worm Caenorhabditis elegans is one of the most widely studied creatures. Scientists consider the worm a model organism for exploring animal development including neural development. The reasons are basic; ...
A study of tentacle-formation in a sea anemone shows how epithelial cells form elongated structures and puts the spotlight on a new model organism.
Cell & Microbiology
May 2, 2013
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Researchers are arguing about whether or not the Xenoturbella bocki worm is the progenitor of mankind. But new studies indicate that this is actually the case. Swedish researchers from the University of Gothenburg and the ...
Plants & Animals
Mar 27, 2013
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A research team at the Sars Centre in Norway and the University Vienna has shed new light on the evolutionary origin of the head. In a study published in the journal PLoS Biology they show that in a simple, brainless sea ...
Plants & Animals
Feb 21, 2013
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Every gene in the nucleus of an animal or plant cell is packaged into a beads-on-a-string like structure called nucleosomes: the DNA of the gene forms the string and a complex of proteins called histones forms the beads around ...
Biotechnology
Feb 11, 2013
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Like organisms, cities need energy, water, and nutrients, and they need to dispose of wastes and byproducts in ways that are viable and sustainable over the long run. This notion of "urban metabolism" is a model for looking ...
Environment
Jan 24, 2013
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The European Union on Tuesday took the debate about genetically modified crops to the public with a survey asking citizens to share their thoughts on organic farming.
Biotechnology
Jan 15, 2013
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Long ago, when life on our planet was in its infancy, a group of small single-celled algae floating in the vast prehistoric ocean swam freely by beating whip-like tails, called flagella. It's a relatively unremarkable tale, ...
Cell & Microbiology
Dec 11, 2012
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(Phys.org)—A research team made up of members from Switzerland, France and Belgium has discovered that the scales on the heads of crocodiles are not arranged due to genetics but come about because of cracking in the skin ...
