All Feature articles – Page 23
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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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FeatureBlack paper
Flexible carbon nanotube paper is now available for use in high-tech electronics
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FeatureHave your coal and burn it
Carbon capture and storage (CCS) has the potential to reduce carbon emissions and allow us to continue using fossil fuels to generate electricity
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FeatureLook who discovered caesium...
Although Robert Bunsen and Gustav Kirchhoff are often credited with the discovery of caesium, this honour belongs to Carl Setterberg
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FeatureMass spectrometry - the early days
1912, physicist Joseph John (J. J.) Thomson discovers mass spectrometry