An international team of scientists using a new X-ray method recorded the internal structure and cell movement inside a living frog embryo in greater detail than ever before.
May 17, 2013
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Classical X-ray radiographs provide information about internal, absorptive structures of organisms such as bones. Alternatively, X-rays can also image soft tissues throughout early embryonic development of ...
May 16, 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 re ...
May 07, 2013
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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.
May 02, 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 Got ...
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 simp ...
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 ...
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 ...
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.
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, ...
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 ...
Nov 30, 2012
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Scientists at the Institute of Molecular Biology (IMB) in Mainz have identified a protein essential for initiating the development of male sex organs. Loss of the gene Gadd45g results in complete sex reversal of male mice, ...
Nov 27, 2012
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Researchers at RIKEN BioResource Center and their colleagues identified a gene required for growth and differentiation of pluripotential cells in the mouse embryos. The gene, Vps52, is a mouse ...
Nov 09, 2012
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Water: about 60 % of our body weight is made up of it; it is the body's principal chemical component. Every system in our body depends on it; it carries nutrients to our cells and it takes toxins out of vital ...
Oct 23, 2012
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