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Smoking stokes cocaine cravings
Molecular mechanism found for controversial 'gateway drug' hypothesis.
Rice seed yields blood protein
Human serum albumin from transgenic rice could ease shortages of donated blood.
Autism's fight for facts: A voice for science
Convinced by the evidence that vaccines do not cause autism, Alison Singer started a research foundation that pledges to put science first.
Mississippi to vote on 'personhood'
Ballot measure would give fertilized eggs human rights.
Special issue on neuroscience: The autism enigma
Diagnoses and research funding are rising, but much about autism remains a puzzle. Nature seeks some truths.
Aid organizations tap into social-science expertise
Behavioural and cultural studies seen as key to success of public-health initiatives.
Palestinian membership puts UN projects at risk
Science and culture agency loses US funding, and other bodies could follow.
Spanish institute faces cash crisis
About 100 researchers at the Prince Felipe Research Centre expect to lose their jobs.
The prevalence puzzle: Autism counts
Shifting diagnoses and heightened awareness explain only part of the apparent rise in autism. Scientists are struggling to explain the rest.
Mental-health guide accused of overreach
Dispute grows over revisions to diagnostic handbook.
US lawsuit extends thalidomide's reach
Drug blamed for a broader range of harmful effects.
Research cuts hit the DNA business
Makers of sequencing machines hope for profits in the clinic.
Scientists and autism: When geeks meet
Psychologist Simon Baron-Cohen thinks scientists and engineers could be more likely to have a child with autism. Some researchers say the proof isn't there.
Fresh dispute about MMR 'fraud'
Pathology records are at the centre of a new disagreement over disgraced medic Andrew Wakefield.
More clues in the genetics of schizophrenia
Chinese researchers add three chromosomal regions to a slow-growing list of genetic links.