Biology and biotechnology – Page 23
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Research
Bird droppings help to cool Arctic
Ammonia emissions from guano contribute to the formation of clouds
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Research
Plastic waste chemical attracts hungry seabirds
Marine birds shown to be drawn to the smell of dimethyl sulfide produced by microplastic debris
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Research
Electron microscope captures cells in colour for the first time
Breakthrough technique allows specific cell proteins to be visualised at high resolution using EM
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Research
Fluorescent labels reveal cells’ circle of life
Colourful new markers help visualise the cell cycle
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Research
Explosive-sensing plant lights fuse for nanobionics
Nanotube-modified spinach can detect explosives and give off an IR signal
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DNA suitcases packed with gene therapy cargo
Nano-sized capsules can be unlocked to release drugs on demand
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Research
Overlooked hydrogen bond at heart of proteins
Weak interaction stabilises β-sheets and may help understand diseases such as Alzheimer’s
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Research
Primitive microbe may offer a hotbed of methane
Microbe digests complex compounds from coal and turns them into methane
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Gooey 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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Research
Primitive 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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Research
Plastics synthesis goes green
Enzyme-catalysed polymerisation could lead to sustainable plastics
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Hydrogen 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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Research
Copper 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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Research
Nucleic acid instability challenges RNA world hypothesis
Early life may have contained both RNA and DNA, rather than just RNA
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Research
Tumour cells' last breaths dampen down immune system
Dying cancer cells release potassium ions that alter the behaviour of T-cells
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Research
Swimming microrobots ‘see the invisible’
Chemically-fuelled and magnetically-guided spheres enable microscopy beyond the diffraction limit
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Research
Nanoplasters get cells into sticky situation
Nanoparticles that glue cells together could aid wound healing or stop tumour metastasis
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Research
3.7 billion year old microbe fossils discovered in Greenland
Discovery puts earliest evidence for life back 220 million years