Articles in 2005

Questions raised over cloned puppy

A nativity scene painted by Hugo van der Goes bears a medical message.

Researchers measure smog's effect on counteracting global warming.

A prestigious research agency should have thought twice before attaching its name to a diet book.

An alternative perspective on the data collected by Mars Rover Opportunity.

Judge declares intelligent design is creationism in disguise.

Researchers use Britain's more liberal licensing to study public health.

Nucleosomes bundle up the DNA in a cell's nucleus, wrapping it around a complex of histone proteins. Studies of histone modifications and the proteins that bind to them reveal a mechanism that may control this packing.

The failure of the painkiller Vioxx and a lack of new products leaves the world's third-largest drug company in the lurch. Emma Marris reports.

Information is pouring in about Mars. These are thrilling times for those who are proposing — and challenging — ideas about the chemical evolution of the planet and its potential for having harboured life.

By changing the composition of Earth's atmosphere, human activity has both a warming and a cooling effect on the planet. According to new calculations, that latter influence is large, but it is likely to be declining.

A decade ago, the tequila industry was pummelled by plant diseases. Rex Dalton meets the scientists working to keep the blue agave diverse enough to survive.

The possibility that Woo Suk Hwang's cloning experiments were faked threatens to undermine confidence in stem-cell research.

Mathematics holds the key to a unified theory of the Universe.

In search of the sanity clause.