Biology – Page 55
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BusinessCorn growers’ lawsuit contested by Syngenta
Syngenta opposes class action seeking over $5bn in damages related to its genetically engineered corn
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FeatureSmarter smells
After years of research, the flavour and fragrance industry is increasingly turning to biotechnology for commercial production, as Emma Davies reports
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ResearchDNA suitcases packed with gene therapy cargo
Nano-sized capsules can be unlocked to release drugs on demand
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ResearchOverlooked hydrogen bond at heart of proteins
Weak interaction stabilises β-sheets and may help understand diseases such as Alzheimer’s
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BusinessTroubled Theranos abandons clinical testing
Seeking to salvage some value, once-admired blood analysis firm lays off 40% of staff
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ResearchPrimitive microbe may offer a hotbed of methane
Microbe digests complex compounds from coal and turns them into methane
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ResearchGooey origins for RNA world
Viscous muddy pond edges may have been incubators for the rise of self-replicating RNAs on ancient Earth
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ResearchPrimitive synthetic cells get a taste for each other
Predatory protocells offer insight into how such behaviours may have arisen at the dawn of life
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ResearchPlastics synthesis goes green
Enzyme-catalysed polymerisation could lead to sustainable plastics
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BusinessPfizer to sell Hospira Infusion Systems to ICU Medical
$1bn deal brings together medical device units, as Pfizer focuses on Hospira’s biosimilars and generics
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ResearchHydrogen isotopes reveal butterflies’ journey across the Sahara
Painted lady butterflies shown to migrate thousands of miles from Europe to Sub-Saharan Africa
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ResearchCopper key to our sensitivity to rotten eggs' foul smell
Central role that metals play in detection of noxious sulfur compounds is unknown among any other odour receptor
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PodcastFluorouracil
A substitute for one of the bases in DNA that can cause the death of cancer cells
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OpinionMerrifield’s resin
The story of solid phase peptide synthesis shows the wisdom of embracing new ideas
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ResearchNucleic acid instability challenges RNA world hypothesis
Early life may have contained both RNA and DNA, rather than just RNA
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ResearchTumour cells' last breaths dampen down immune system
Dying cancer cells release potassium ions that alter the behaviour of T-cells
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BusinessDanaher boosts diagnostics with Cepheid buyout
$4bn deal strengthens Danaher’s life sciences portfolio
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ResearchSwimming microrobots ‘see the invisible’
Chemically-fuelled and magnetically-guided spheres enable microscopy beyond the diffraction limit
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ResearchNanoplasters get cells into sticky situation
Nanoparticles that glue cells together could aid wound healing or stop tumour metastasis
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PodcastErgotamine
Ben Valsler finds out why writing Alice’s adventures in Wonderland was such a headache for Lewis Carroll