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News
Genetically modified purple tomatoes receive US approval
Home growers will be able to purchase seeds from spring 2023
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Opinion
Contribute to defeating malaria
The Medicines for Malaria Venture needs new compounds for screening and more chemists to join its open-souce drug discovery project
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Feature
50 years of artemisinin
Jamie Durrani tells the story of how a wonder drug against malaria was discovered from a plant in a secret Chinese military project
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News
French inquiry censures lab that promoted hydroxychloroquine to treat Covid
Report raises awkward questions about prominent study on antimalarial conducted in Didier Raoult’s lab
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Research
Yeast engineered to ferment sugars into chemotherapy drug precursors
Semisynthesis offers new route to anticancer drug vinblastine
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Business
Arrayit chief convicted of fraud over blood testing
Mark Schena misrepresented the company’s value to investors and defrauded public and private insurers
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Opinion
A citizen science app for teaching botany
App-based tools support botanical literacy and citizen science
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Business
Nature-inspired crop protection
Plant extracts, proteins and pheromones aiming to replace conventional chemical pesticides
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Feature
The plant trade’s scientific secrets
Growers are using advanced techniques to mass-produce the next trendy houseplant. But Katrina Krämer finds that collectors’ demand for new varieties has also opened the door to deception and fraud
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Research
Fox urine compound as good as catnip for some felines
Dihydroactinidiolide is the first example of a compound excreted by a mammal that can elicit a catnip response
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News
Worrying ingredients found in tattoo inks made in the US
Azo-containing dyes and nanoparticles discovered in US tattoo inks often aren’t listed on labels
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News
Explainer: How do sunscreens safely protect our skin?
And which is best – inorganic or organic sunscreens?
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Research
Crispr editing of certain genes could trigger cell death
Researchers identify more than 3000 spots in the human genome where gene editing could cause toxic side effects and genomic instability
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Research
Artificially evolved enzyme tackles tricky cross coupling
Directed evolution on the metalloenzyme cytochrome P450 creates a catalyst for making macrocyclic antibiotics
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Research
Rotting fish experiments reveal how organs fossilise
Most fossils are bones, but individual organs’ biochemistry determines whether they are preserved in rock
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Business
J&J to phase out talc-based baby powder worldwide
In the face of thousands of lawsuits, firm will switch to cornstarch-based formulations
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Research
Combining expertise to develop remote-controlled nanomaterials
Beatriz Pelaz explains how her research tackles bionanomaterials from multiple angles
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Feature
Cultured meat flexes its muscles
Rebecca Trager examines an emerging industry that is growing ‘meat’ outside of animals using cell lines cultivated in bioreactors
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Business
Protective treatment for Covid-19 makes minimal impact
Limited uptake of antibody combination for vulnerable patients, while demand for antivirals seems to be slowing
