I. Emilie Steinmark

Chemistry World

Antidepressant pollution

What are the consequences of unintentionally medicating wildlife against anxiety and depression? Ida Emilie Steinmark reports.

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Swallow this – serving up the food industry’s darkest secrets

Hard to stomach.

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Dating the age of humans

Physical science is helping archaeologists close in on the real answers behind the mysteries of human evolution, finds Ida Emilie Steinmark.

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On the origin of cheeses

Can chemists uncover who invented the wheel?

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Gluten

Emilie Steinmark tells us about gluten and gluten intolerance.

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Ants sniff out subtle chemical differences to navigate social hierarchies

Detectors on their antennae even allow the insects to tell enantiomers apart.

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Bee immune system discovery points way to pollinator ‘vaccines’

Molecular mechanism in the bee immune system could save populations in decline.

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Unique compounds let earthworms finish off leaves

Chemicals reduce toxicity of plant polyphenols and allow worms to recycle leaves, improving soil fertility.

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First isolation of stable solid-state bismuth radical

Elusive paramagnetic species has been characterised by both EPR and x-ray crystallography.

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Phosphorescent ‘butterfly’ molecules’ glow tuned

Colours of dual light emissions can be controlled by design.

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Kirigami graphene makes microscale devices

Ancient Japanese folding and cutting art form used to create functional springs and hinges.

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Expert wiki to expose low-quality chemical probes

Trip Advisor-like project will fight use of poor probes contaminating the literature.

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Elusive fermion found at long last

Experimental observation of Weyl fermions in a tantalum arsenide crystal ends search after 86 years.

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X-ray emitting bacterial plasmas could enhance imaging

Bacteria found to be an excellent raw material to generate high-intensity x-rays for medical and analytical uses.

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Phthalate replacements linked to child health problems

Levels of two plasticisers in children found to correlate with higher blood pressure and insulin resistance.

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Iron found in ancient rock is recycled from bacteria

Isotopic analysis suggests iron in banded rock formations can be traced back to ancient bacteria.

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Tattoo removers donate laser to the Vatican

A UK tattoo removal company is donating one of its lasers to help clean up sculptures in the Vatican.

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Molecular machinery behind circadian clock’s ticking revealed

Slow motion chemistry keeps clock running on 24 hour cycle.

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Fruity alternative to toxic insecticides

Compound used as food additive found to repel damaging fruit fly pest.

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