Biology – Page 45
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ResearchDNA helix has chiral water ‘spine’
Spectroscopy reveals how water molecules form a chiral superstructure in DNA’s minor groove
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OpinionUnpicking a clinical trial death
A new study shows up off-target effects of a drug that proved deadly, and highlights the pitfalls of drug discovery
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ResearchCoral skeletons hold history of volcanic eruptions
Noble gas isotope ratios offer means to track when past underwater eruptions occurred
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ResearchModified antibiotic beats superbug resistance
Adding functional groups to vancomycin gives it extra modes of attack against resistant bacteria
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PodcastFibrin and fibrinogen
From scabby knees to life-threatening strokes, this important protein is the fundamental link in the complex molecular chain that forms blood clots
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ResearchSweat pore mimic unblocks perspiration theory
Microfluidic device shows that antiperspirants control sweating by forming pore-plugging aggregates with perspiration proteins
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ReviewYour brain is a time machine: the neuroscience and physics of time
A book for people with more than a passing interest in time
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FeatureDelivering gene therapy
After some well-publicised problems, gene therapy – delivering DNA into people’s cells using viruses – is booming, Anthony King finds
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ResearchMicromotors navigate tiny biochemical lab
Resistant layer protects micromotors from protein-induced breakdown when swimming through biological fluids on lab-on-a-chip device
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ResearchSeductive sulfurs woo wasps
Amorous insect pollinators caught in the act with (methylthio)phenols
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OpinionDid life emerge from hell on Earth?
Why our origins may lie in the Hadean era, 4 billion years ago
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PodcastPropranolol hydrochloride
Stave off stage fright with a simple compound that revolutionised drug development
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ResearchDeft defecators done in 12 seconds
Fluid dynamics explain how amount and viscosity of faecal mucus makes it easy to poo
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ResearchDeuteration of classic origin of life experiment throws up surprises
Replay of iconic Miller–Urey work with heavier hydrogen isotope produces unexpected compounds
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ResearchNanopipette probes cells without killing them
Scientists extract contents of individual living cells using a lipid-bilayer-coated nanopipette
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ResearchBare necessities of grizzlies' diet revealed
Chemical content of bears’ hair reveals surprising eating habits
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ReviewBring back the king: the new science of de-extinction
How and why could scientists resurrect long-dead species?
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PodcastBring Back the King by Helen Pilcher – Book club
We discuss Bring back the king by Helen Pilcher and learn of the difficulties and possible benefits of bringing animals back from extinction