Biology – Page 64
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ResearchAsteroid bombardment of early Earth may have created building blocks of life
Simulated asteroid impacts turn simple chemical into DNA bases
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ResearchDNA survives extreme heat of rocket re-entry
Discovery might spell trouble for extraterrestrial life hunters faced with terrestrial contamination problems
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ResearchSeeing glucose through the skin
Technique could one day allow diabetics to manage their condition without drawing blood
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ResearchCrustacean culprit turns lakes to jelly
Acid rain leaching calcium from Canadian water courses leads to a surge in jelly-covered organisms
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Research
Metallic blood smell attracts predators
Aldehyde attraction for African wild dogs helps to explain how they find their prey
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ResearchEngineered metalloenzyme catalyses Friedel–Crafts reaction
Unnatural amino acids help expand catalytic repertoire of enzymes
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ResearchEarth ripe for life soon after formation
Isotope ratios show asteroids delivered water to Earth early on in its history
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PodcastHuman growth hormone
Marketed as a path to eternal youth but banned in professional sports, Hayley Simon introduces human growth hormone
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ResearchFolding rules used to build unnatural proteins
Understanding protein folding and stability leads to new proteins with hopes of creating structures that can perform novel chemistry
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FeatureMicrobial miners
Jon Evans discovers the microbes hard at work on our behalf, extracting valuable metals from low-grade ore
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ResearchNew test accelerates herpes detection
Peptide-coated superparamagnetic beads latch onto herpes simplex virus-1 in rapid diagnostic assay
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Business
Becton Dickinson to buy CareFusion for $12bn
Medical devices merger continues consolidation trend
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ResearchBRCA2 protein imaged for first time
Insights into DNA repair mechanism could pave the way for new cancer therapies
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PodcastChemistry World podcast - October 2014
We speak to Jason Sello about the hunt for new antibiotics, and Monique Simmonds explains the chemical role of botanical gardens
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ResearchPhotosynthesis-free route to oxygen gives early Earth atmosphere clues
Oxygen can be produced from carbon dioxide using UV radiation
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ResearchViruses melt ‘glassy’ DNA
Researchers have shown how viruses liquefy their own DNA ready to inject into host cells
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ResearchTiny tips reveal cells’ chemical secrets
Penetrating microprobe enables rapid mass spectrometry of single cells’ contents
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FeatureThe molecules that make memory
The chemistry of making – and losing – memories is increasingly well understood, as Rachel Brazil discovers
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News
NIH wants scientists to consider sex in research
Preclinical and clinical research is overreliant on male test subjects which can cloud future work in humans
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ResearchBreakup reaction hints at handedness of nature
Dissociation of 3-bromocamphor provides clues on why nature favours one mirror image of a molecule over another