Biology and biotechnology – Page 22
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Research
Tiny mite uses hydrogen cyanide to fight predators
Soil-dwelling arachnid leaves bitter taste in mouth of attackers with poison precursor
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Replication proteins send signals along DNA ‘wire’
DNA charge transport enables handover from one enzyme to another
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Fluorescent frog first down to new molecule
Blue–green glow of the polka-dot tree frogs may help them to ’chat’ with each other
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Five new artificial yeast chromosomes made
The artificial yeast genome is now around a third complete
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Spider silk strength is in the loop
Discovery of hidden thread in silk of deadly spider inspires material-toughening strategy
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Magnetic droplets stamp out protein patterns
Droplets rolling across a lotus leaf spark device assembly idea
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Ocean chemistry changes triggered Earth's greatest extinction event
The Great Dying 250 million years ago has its roots in the intrusion of deadly sulfide rich waters into oxygenated shallows with lessons for today
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Synthetic cells pass bacterial Turing test
Chemical communication offers a way to determine how lifelike an artificial cell is
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Wastewater plant upgrade fixes fish feminisation problem
Gender balance has been restored in a Canadian river by cutting levels of endocrine disruptors
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Non-Newtonian saliva gives frog’s tongue sticking power
Discovery offers route to frog-inspired adhesives
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Zinc spark shows sperm the chequered flag
Researchers shed light on new explanation for how mammalian zygotes safeguard their survival
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Strongest synthetic spider silk spun-out in the lab
Mimicking spiders’ spinning glands could cut cost of synthetic silk
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Low phosphorus rice offers fertiliser pollution solution
Silencing gene that directs phosphorus into rice grains could mean cheaper food and healthier rivers
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Roadkill: new molecules at the side of the road
Wild animals run down on the roads can open surprising doors for opportunistic biochemists
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Riddle of life’s origin may be answered by dividing protocells
Model suggests simple chemical systems could grow and reproduce and could have got life off to a flying start
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Biocompatible hydrogel focuses on lenses
A bioinspired smart material that swells and contracts could be used to make optical lenses
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Protective polymer coats 'grown' on cells
Coated cells could be harnessed for biomedical applications
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Engineered enzyme first to forge carbon–silicon bond
Protein offers new way to synthesise organosilicon compounds
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Designer carbon dioxide-consuming organisms on cards
Rational design creates cycle that’s faster than the natural carbon-fixing process used by plants
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Poison dart frog toxin made in mirror image
Toxin’s non-natural enantiomer offers new tool to probe nerve disorders