Scientists find first dinosaur tracks on Arabian Peninsula

The sophisticated sex lives of sea squirts Aug 26, 2008 Styela plicata larvae. Image courtesy of Bronwyn Galletly

Photocatalyst Aug 26, 2008 A manganese-oxo complex with a cubic {Mn4O4}7+ core catalyzes the electrooxidation of water when suspended within the aqueous channels of a Nafion membrane (see picture). Illumination with visible light under an applied potential ...

hES Cells on Matrigel Alone Aug 20, 2008 hESCs grown on Matrigel in defined culture media. The mesh-like structure in the background is Matrigel. Credit: Sato lab, UC Riverside

Biomarkers reveal our biological age Aug 19, 2008 The telomeres (dyed red) form the end pieces of the chromosomes. As they age, they become shorter and some chromosomes eventually lose their ends completely. As a result, the cells are no longer able to divide. Image: K. ...

Duck-billed dinosaurs outgrew predators to survive Aug 06, 2008 Hypocrasaurus grew three to five times faster than predators such as tyrannosaurs. Art by: Drew Lee/Ohio University