02/04/2009

Bird can 'read' human gaze

We all know that people sometimes change their behavior when someone is looking their way. Now, a new study reported online on April 2nd in Current Biology, a Cell Press publication, shows that jackdaws—birds related to ...

Early family ties: No sponge in the human family tree

Since the days of Charles Darwin, researchers are interested in reconstructing the "Tree of Life", and in understanding the development of animal and plant species during their evolutionary history. In the case of vertebrates, ...

Prions serve as important source of variation in nature

Special proteins known as prions, which are perhaps best known as the agents of mad cow and other neurodegenerative diseases, can also serve as an important source of beneficial variation in nature, confirms a new study in ...

Diseased cartilage harbors unique migratory progenitor cells

A new study finds previously unidentified fibrocartilage-forming progenitor cells in degenerating, diseased human cartilage, but not in cartilage from healthy joints. The research, published by Cell Press in the April 3rd ...

Passover's matzoh ball soup may be good for your health

With the Jewish holiday of Passover beginning at sundown next Wednesday, April 8, a staple of the traditional dinner -- chicken soup with matzoh balls -- may take on medicinal importance based on findings published in the ...

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