All Feature articles – Page 23
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FeatureForensic science and the case of Dr Mario Jascalevich
Forensic science is depicted in several television programmes as a near-perfect means of solving major crimes. In real life, forensics may sometimes point to guilt, but in the end be insufficient to prove it. This is the account of one such case
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FeatureDiamond Light Source: illuminating chemistry
Synchrotron light allows chemists to see within structures and individual atoms, without disrupting samples
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FeatureRadium - a key element in early cancer treatment
An early example of how blue skies research by Pierre and Marie Curie led to the treatment of previously incurable cancers
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FeatureFour Curie centennial elements
The four Curie elements provide us with an interesting tour of the bottom of the periodic table
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FeatureGreener Chlorine
Chlorine is becoming greener; not in the colour, of course, but in the environmental impact of its manufacture
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FeatureGiving fossil fuels the chop
Axe Valley Biodiesel - a case study on partnership between school, university and business
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FeatureReally cheesy chemistry
Stilton, camembert, limburger and cheddar - why, and how, does cheese come in such a variety of smells and tastes?
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FeatureEntropy – a masterclass
The concept of entropy might seem abstract, but can be illustrated by a statistical interpretation
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FeatureA sinister side to a synthetic sex hormone
The story of the discovery, synthesis and prescription of a synthetic hormone, and the effects on those who took it and their descendants
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FeatureTwo-step bromine attack
An experiment for the classroom to show that bromine adds to an alkene by two-step electrophilic addition
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FeatureThe curious story of toxic ice
In 1944 a fake article was submitted and published as a scientific paper. In the context of How Science Works, can a hoax have educational value?
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FeatureElectronic voting systems in undergraduate teaching
Reminiscent of Who Wants to be a Millionaire voting systems, university lecturers can use electronic voting systems to monitor students' understanding and make learning more interactive for the students and the teacher
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FeatureFrom LCDs to medical materials
A green technology can be used to extract valuable chemicals and the recovered low-value plastic can be turned into higher-value materials for new and important applications
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FeatureLead in the environment
Interest in lead pollution has tended to focus on the environmental consequences of the use of tetraethyl lead in petrol and of lead compounds in paint
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FeatureThe importance of weak forces
London dispersion forces - instantaneous dipole-induced dipole attractions - are extremely short ranged
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FeatureThe medicinal history of phosphorus
In the early Middle Ages 'physicians' treated most illnesses ineffectually, with herbs and plant extracts
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FeatureIron ocean seeding
Carbon sequestration - the removal of carbon dioxide from the atmosphere - is an active area of research
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FeatureSingle molecule sequencing
The first draft sequence of the human genome, announced 10 years ago, was time-consuming and expensive
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