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Scanning tunnelling microscope image of a silicon surface lithographically prepared for two electrodes and a single transistor atom in the center. Credit: ARC Centre for Quantum Computation and Communication, at UNSW The shift from fragile, bulky vacuum tubes to solid-state transistors paved the way for the information age. And the steady downsizing of transistors has made the devices of the information age ubiquitous, thanks to processors that become smaller, cheaper and faster with each passing year.

By Declan Butler of Nature magazine After weeks of debate, two controversial papers describing forms of the H5N1 avian influenza virus capable of transmitting between mammals should be published in full. [More]

By Sharon Levy of Nature magazine During the Ice Age, Earth's northern reaches were covered by chilly, arid grasslands roamed by mammoths, woolly rhinoceros and long-horned bison.

This article is the sixth and probably last article in a minseries of six articles ( see the first , second , third , f ourth and fifth articles here) about civilization, fungus, and alcohol. Very little is known about the beginning of the story of humans and yeast.

A monitoring program for more than 100 bird species that winter in North America [More]

By Neal Ungerleider TASER, best known for their electric shock guns, has a new product: Tiny, sunglass-mounted cameras that upload live footage from a cop's P.O.V. [More]

By now, you have probably heard the call by democrats and environmentalists to end the $4 billion in subsidies for big oil.

New research points to an ancient energy tradeoff that meant more fuel for brains, and less fuel for muscles. Human brain [More]

Chances are that if you are reading this, you have a private flush toilet a few steps from your bed. Your commode is more reliable than your mobile connection, and likely will outlast all of your home appliances. Yet huge tracts of the developing world have yet to see so much as a latrine, a situation that facilitates the spread of debilitating or even deadly diarrheal diseases .

Squid can save energy by flying rather than swimming, according to calculations based on high-speed photography. [More]

By Andrew Quinn LOS CABOS, Mexico (Reuters) - Mexico and the United States signed an agreement on Monday to help U.S.

Image courtesy of iStockphoto/sjlocke The number of people who die from HIV-related causes each year in the U.S. is now down to about 12,700 from a peak of more than 50,000 in the mid-1990s thanks to condom education and distribution campaigns, increased testing and improved treatments.

LIMA (Reuters) - Flooding rivers in Peru and Chile have ruined houses, displaced people, and turned up something more sinister: land mines, which closed the border between the two countries on Monday. Heavy summer rains, which meteorologists attribute to a series of low pressure systems that originated in the southern Atlantic Ocean this month, have wiped out crops in Peru and swollen rivers in northern Chile. Anti-personnel and anti-tank mines laid around Chile's Lluta river watershed in the 1970s, when tensions ran high between the two countries, have also surfaced, officials said

Imagine a planet where jellyfish rule the seas, giant rodents roam the mountains and swarms of insects blur everything in sight. It may sound far-fetched, but enough global warming is likely to change the distribution of wildlife on Earth. While species that are under threat, such as the polar bear , seem to get all the attention, others are beginning to thrive like never before.

Fermilab Set to Reveal “Interesting” Higgs Boson Results [More]