Biology – Page 53
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BusinessAbbot boosts heart devices with St Jude buyout
Medical devices consolidation continues with $25bn deal, but Abbott expresses concerns over proposed Alere merger
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ResearchSmallest ever molecular thermometers made from DNA
Tiny fragments of DNA combined with fluorescent probes can be used to take temperature at the nanoscale
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ResearchBroken ribozyme comes to life
Low temperatures on early Earth may have helped RNA world organisms emerge
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ResearchZinc spark of life marks egg fertilisation
Human egg’s discharge of zinc into its surroundings at the moment of conception seen for the first time
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ResearchMultiphase NMR of whole animal leaves shrimp unscathed
Technique could update toxicity tests
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ResearchCracking the mushroom glow mystery
A Japanese researcher believes he has solved part of the puzzle of fungal bioluminescence
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NewsCrispr-edited mushroom dodges regulation
Anti-browning mushroom developed using Crispr-Cas9 gene editing will not be regulated as a GMO by US agricultural agency
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ResearchBacteria seeded with synthetic pathways
Living factories provide alternative to complicated chemical syntheses or farming hectares of crops
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OpinionHoming pigeons should thank quantum chemistry
Philip Ball asks whether quantum biology holds the secret to how birds navigate
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ResearchDissolving electrodes could ease pain of epilepsy surgery
Electronics could identify areas of brain for treatment and then melt away after use with no need for surgical removal
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ResearchMouth-puckering molecule inspires fish-catching glove
Relevance of measuring tannic acid’s friction-increasing astringency reaches beyond food
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ResearchOptical tweezers extract biomolecule folding secrets
Pioneering ‘transition path’ analysis studies mad cow disease-causing prions
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FeatureLiving colour
Fluorescent protein probes can illuminate cells’ inner workings, but making them takes effort – and luck, as Andy Extance discovers
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ResearchBuilding blocks of life made in space ice simulations
Complex sugars – including the ‘backbone’ of RNA – have been created in lab-made interstellar ice
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ResearchSmallest ever genome gives life to minimal microbe
Stripped down bacterium has fewest genes of any replicating organism and will help scientists understand gene function
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FeatureEnzymes for everyone
Can scientists overcome enzymes’ fragility and exploit their speed and specificity? Fiona Case investigates
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PodcastFluorescein
Kat Arney discovers the compound that first coloured the Chicago river green for St Patrick’s Day
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ResearchLifting molecular brake may have kept primeval cells running
Removing RNA restriction can steady biochemical function, with relevance for life’s emergence
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