This week: Scientists after Hiroshima, new species of carnivorous plant, gut microbes boost red-meat cancer risk, lessons from Ebola, ancient macro-organism reproduction, cancer research gets physical and graphenes new cousin stanene.

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Listen to GenePod, the Genetics in Medicine podcast, for an exploration of privacy and the sale of information by DTC genetic testing companies.

www.nature.com/gim/index.html

This week: Folding and cutting graphene, how snakes kill, medical marijuana, growing miniature organs, how mitochondria power muscle cells, treating Alzheimer’s and genes from Neanderthals.

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Our bodies are home to more bacterial cells than human cells. These bugs are collectively known as our microbiota. But when we're born, we have very few. Max Vento studies how infants amass their community of bugs and what effect being born preterm has. And it's the subject of a review, in which he and his colleagues also outline how the microbiota of preterm babies can be impaired, and how to coax it into health.

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This week: Could eyedrops treat cataracts, engineering rice to produce less methane, hand evolution, structural importance of RNA, teenager free of HIV symptoms and a boost to SETI funding.

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Adoptees and others often have little or no access to family medical history, which puts them at a clear disadvantage with regard to aspects of their medical care. Could genomic analysis help to close this health disparity? Listen to GenePod, the Genetics in Medicine Podcast for an exploration of how genomic testing might be used in this context.

http://www.nature.com/gim/index.html

This week: Geologists on earthquake alerts, why seahorse tails are square, a 1500-year-old volcanic climate mystery, stopping HIV, New Horizons nears Pluto and prison for falsifying HIV vaccine data.

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This week: A complex single cell that can see, lizards that swap sex with climate change, can air-pollution cause flooding? Tatooine-like planets possible, teaching robots to be ethical, engineered super pigs, and big steps in super-conducting.

This week: Antartica’s surprising biodiversity, how weather circulation patterns are affecting global temperature events, left-handed kangaroos, rewinding colon cancer, pancreatic cancer biomarkers, and the genomes of two ancient humans are discussed.

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This week: what scientists can learn from measuring the mass of exoplanets, we ask if plants can be intelligent, dinosaur specimen contains soft tissue and maybe even blood cells, positive memories help fight depression in mice, and Philae is awake and back in business.

www.nature.com/nature/index.html