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[:es]If papers published in the past 6 months are right, a single number is enough to show whether people are likely to suffer a premature heart attack, land first authorship on published papers, become dependent on alcohol, or put on fat around the middle. That magic number is the ratio between the lengths of the…

[:es]Genes are a powerful driver of risk for autism, but some researchers suspect another factor is also at play: the set of bacteria that inhabits the gut. That idea has been controversial, but a new study offers support for this gut-brain link. It reveals that mice develop autismlike behaviors when they are colonized by microbes…

[:es]Surviving fragments of genetic material preserved in sediments allow metagenomics researchers to see the full diversity of past life — even microbes. [:]

[:es]Researchers have analysed anonymized phone records of tens of millions of people in low-income countries. Critics question whether the benefits outweigh the risks. [:]

[:es]Researchers tested mechanisms linked to nuclear fusion at room temperature — but found no evidence for the phenomenon. [:]

[:es]The universe of problems that a computer can check has grown. The researchers’ secret ingredient? Quantum entanglement. [:]

[:es]Behavior change is difficult—just ask any psychologist. A new study shows behavior change among psychologists is no different. Efforts to improve the robustness of research by asking psychologists to state their methods and goals ahead of time, a process called preregistration, have stumbled at the first hurdle. [:]

[:es]Genetic research reveals previously unknown vision proteins in deep sea species.[:]

[:es]This gorgeous image will help researchers understand black holes. [:]