11/01/2010

Raft or bridge: How did iguanas reach tiny Pacific islands?

Scientists have long puzzled over how iguanas, a group of lizards mostly found in the Americas, came to inhabit the isolated Pacific islands of Fiji and Tonga. For years, the leading explanation has been that progenitors ...

Argonne gets wind of new energy models

(PhysOrg.com) -- Sailors and golfers aren't the only people interested in knowing how much the wind blows; people who run wind farms need to know too.

Highlight: Quasi-Crystalline Order at Nanoscale

Nanoparticles have a strong tendency to form periodic structures. Mixing and matching of two different types of nanoparticles allows the formation of binary nanoparticle superlattices isostructural to ionic or intermetallic ...

Oceans losing ability to absorb greenhouse gas

(PhysOrg.com) -- Like a dirty filter, the Earth's oceans are growing less efficient at absorbing vast amounts of carbon dioxide, the major greenhouse gas produced by fossil-fuel burning, reports a study co-authored by Francois ...

The solution to a 200-year-old encryption

(PhysOrg.com) -- The mathematician who deciphered the final, encrypted page of a letter sent to President Thomas Jefferson in 1801 will visit the University of Oregon to tell how he did it.

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