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Welcome to the twenty-sixth issue of SIS
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As I write this editorial, the bare tree branches outside my office are outlined in snow and the ground is dangerously icy. However, by the time this issue of Science in School has been copy edited, laid out, proofread, printed and distributed, those bare branches will be sprouting young leaves and the first flowers will be blooming below. |
Welcome to the twenty-fifth issue of Science in School
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The print copy of this issue of Science in School has a mass of nearly a quarter of a kilogram. But do you know how a kilogram is defined? And did you know that the definition of a kilogram may be about to change, with the help of CERN? |
The mystery of altruism
By Oren Harman
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Does true altruism exist? And can science provide the answer? |
Weighing up the evidence: what is a kilo?
By Eleanor Hayes and Marlene Rau
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We all know what a kilogram is – or do we? Researchers worldwide are working to define precisely what this familiar unit is. |
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The changing face of orthodontics
By Sophie and Georges Rozencweig
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Many of us have had our teeth straightened with braces. Few people know, however, that orthodontics involves a great deal of fundamental science and fast-moving technology. |
Science in the open: bringing the Stone Age to life for primary-school pupils
By Petra Breuer-Küppers
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Taking pupils out of the classroom opens up a whole range of activities for teaching young children about the natural world. |
Galileo and the moons of Jupiter: exploring the night sky of 1610
By Carla Isabel Ribeiro
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Learn how you and your students can use mathematics to study Jupiter’s moons. |
Exploring scientific research articles in the classroom
By Miriam Ossevoort, Marcel Koeneman and Martin Goedhart
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Learn how to use research articles in your science lessons. |
Movers and shakers: physics in the oceans
By Susan Watt
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Contrary to the popular saying, deep waters are often far from still – which is just as well for marine life. Activities using simple water tanks are a good way to find out about the physics at work beneath the waves. |
Magnetic science: developing a new surfactant
By Julian Eastoe, Paul Brown, Isabelle Grillo and Tim Harrison
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With the use of detergents and other surfactants on the rise, the resulting pollution is worrying. One answer: surfactants that can be collected and re-used simply by switching a magnetic field on and off. |
