03/06/2013

A ghostly 'ladder' in Saturn's F ring

Saturn's F ring is certainly a curious structure. Orbiting the giant planet 82,000 kilometers above its equatorial cloud tops, the F ring is a ropy, twisted belt of bright ice particles anywhere from 30-500 km wide. It can ...

Parasitised fish pick sides

(Phys.org) —Fish with parasites attached to their heads have a stronger preference for left or right when facing a T-intersection, giving them an edge when it comes to escaping predators, research from The Australian National ...

X-rays reveal fuel cells in action

(Phys.org) —Wouldn't it be great to have a magical "energy box" that could convert a wide array of fuels to electricity with high efficiency and lower emissions? Solid oxide fuel cells (SOFCs) show significant promise. ...

Research examines the structure of videogames

Research at the Universidad Carlos III of Madrid (UC3M) analyzes in depth the content of videogames and their interaction with the player. The study of this material shows the importance of this industry, which is experiencing ...

Rare tree provides key to greener chemistry

(Phys.org) —A rare tree found in Malaysia and Borneo holds the secret to greener chemical production, according to researchers from the Research School of Chemistry.

Guppies and sexual conflict? It's a genital arms race

(Phys.org) —It's not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species.

DNA gridlock: Cells undo glitches to prevent mutations

Roughly six feet of DNA are packed into every human cell, so it is not surprising that our genetic material occasionally folds into odd shapes such as hairpins, crosses and clover leafs. But these structures can block the ...

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