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Fish are far more effective at delivering oxygen throughout their body than almost any other animal.
When you think of the world's greatest athletes, names like Usain Bolt generally spring to mind, but scientists have discovered the best athletes could well be found in the water, covered in scales.

Molecular & Cell Biology

New findings revealed a molecular "tug of war " that plays a key role in the proper functioning of the telomerase enzyme.
Researchers at UC Santa Cruz have determined the structure of a key part of the enzyme telomerase, which is active in most cancers and enables cancer cells to proliferate indefinitely. The new findings, published October 5 in Nature Structural & Molecular Biology, reveal how the enzyme carries out a crucial function involved in protecting the ends of chromosomes.


An endangered monkey species in Tanzania is living in geographical pockets that are becoming isolated from one another. The situation, researchers say, is mostly driven by the monkeys' proximity to villages and the deliberate burning of forests to make way for crops and pastures.


The color of dinosaurs is a fascinating topic, and in recent years the discovery of melanosomes - small, pigment-filled sacs - associated with fossilized dinosaur feathers has given rise to all sorts of speculation about our prehistoric pals, from the hue of their plumage to color's impact on behavior.