'Smart roof' could slash energy costs

A white roof reflects heat and cools a building; a dark one absorbs it. But until now there hasn't been a material that could do both.

Early galaxy had 'teenage growth spurt'

A massive galaxy in the early universe created stars up to 100 times faster than the modern-day Milky Way, say astronomers.

IRS still failing to keep taxpayer information secure

Despite warnings, the IRS is continuing to put taxpayer information at risk, according to a report from the Government Accountability Office.

Cold fusion is real, say scientists

Cold fusion is widely regarded as being just about as practical a technology as a perpetual motion machine or the Philosopher's Stone.

EBay and NRF pledge action on organised retail crime

EBay has always been a boon to shoplifters - an easy way to offload stolen goods. But many criminals have been doing it on an industrial scale, and now the company's teamed up with the National Retail Federation to tackle organised retail crime.

LHC sets new speed record

The large Hadron Collider (LHC) has set a new record, accelerating particles to the highest speed yet.

Printable RFID tags could eliminate checkout queues

We could soon all be strolling past the checkout with a cartful of goods, thanks to the development of new, printable, nano-based RFID tags.

3D invisibility cloak created

An invisibility cloak is one step closer to reality, with a group of German and British scientists reporting that they've successfully created a prototype that works in three dimensions.

Saturn's rings aren't as peaceful as they look

Saturn's rings aren't as neat and tidy as they appear, new observations from NASA's Cassini spacecraft show.

Spanish researcher wants us all on her database

Look, we'd all like our jobs to be made a little easier. But some Spanish forensic anthropologists have a rather big request - the creation of a global database of everybody in the world.

Hacker brings 100 cars to a halt

Drivers in Austin, Texas thought their cars were possessed when their horns started honking in the middle of the night or their vehicles simply wouldn't start.

Largest quantum state created

Physicists have created the largest ever quantum state, allowing an object large enough to be seen by the naked eye to be in two states at once.

Australia attempts to close offensive US website

The Australian Human Rights Commission is threatening legal action against a US-based 'satirical' website, which it says is encouraging racial hatred against Aborigines.

Astronomers get a closer look at Jupiter's Great Red Spot

New thermal images from ESO's Very Large Telescope (VLT) are allowing astronomers to take a detailed look at the solar system's largest storm.

Americans lose interest in green issues

Americans are getting more and more apathetic about environmental matters, according to a Gallup poll.

Cybercriminals' profits surge

In times of economic hardship, it's good to know one sector of the economy is booming. So hats off to American cybercriminals, who apparently doubled their takings in 2009.

Britain passes tough new internet piracy bill

Britain's House of Lords has approved a bill allowing the government to shut down illegal file-sharers. Music companies are delighted.

Crime: it's a dirty business

Forensic scientists now have a new way to track criminals and terrorists - through the germs they leave behind.

Gene discovery could help amputees grow new limbs

Humans and other mammals could regrow lost limbs, following the identification of a gene that appears to regulate regeneration.

Team warns of potential catastrophe from meteorite strike

The Secure World Foundation (SWF) has warned the UN that it may be too disorganised to avoid disaster in the event of a major meteorite strike.