60STEM Home Pagehttp://nrich.maths.org/8925en 2012 http://nrich.maths.org/public/terms.phpHow the Velodrome Found Its FormThe Velodrome was one of the most striking buildings in the London 2012 Olympic Park. This article explores how mathematics helped design the iconic building and its track.http://nrich.maths.org/10489Tue, 01 Oct 2013 00:00:01 +0100Maths and Climate Change: the Melting ArcticSea ice covers around 7% of the surface of our planet. This article explores how researchers use mathematical models to study the changes taking place in the polar seas and how these might affect the global climate.http://nrich.maths.org/10487Tue, 01 Oct 2013 00:00:01 +0100Influenza Virus: It's All in the PackagingThis article explores how researchers in disease dynamics are using mathematics to understand how the influenza virus replicates.http://nrich.maths.org/10483Tue, 01 Oct 2013 00:00:01 +0100Solving the Genome PuzzleThe human genome is represented by a string of around 3 billion letters. To deal with such large numbers, genome sequencing relies on clever algorithms. This article investigates.http://nrich.maths.org/10482Tue, 01 Oct 2013 00:00:01 +0100Maths Meets BiologyBiologists are increasingly using mathematical tools to aid in research. These problems explore different biological contexts where maths has an important contribution to make.http://nrich.maths.org/9114Sat, 01 Sep 2012 00:00:01 +0100TerrariumsBuild a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.http://nrich.maths.org/8899Wed, 01 Aug 2012 00:00:01 +0100Cool as IceDesign and construct a prototype intercooler which will satisfy agreed quality control constraints.http://nrich.maths.org/8849Wed, 01 Aug 2012 00:00:01 +0100Straw ScaffoldBuild a scaffold out of drinking-straws to support a cup of waterhttp://nrich.maths.org/8847Wed, 01 Aug 2012 00:00:01 +0100Flip Your Mat!What shape and size of drinks mat is best for flipping and catching?http://nrich.maths.org/8338Sun, 01 Dec 2013 00:00:01 +0000Investigating EpidemicsSimple models which help us to investigate how epidemics grow and die out.http://nrich.maths.org/8336Wed, 01 Aug 2012 00:00:01 +0100Bird WatchDo you know which birds are regular visitors where you live?http://nrich.maths.org/8335Wed, 01 Aug 2012 00:00:01 +0100Make Your Own RobotA simple robot to make, plus robots in everyday life to investigate.http://nrich.maths.org/8044Sun, 01 Jan 2012 00:00:01 +0000Troublesome TrianglesMany natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple simulation game to investigate the properties of such systems.http://nrich.maths.org/8043Sun, 01 Jan 2012 00:00:01 +0000Pinhole CameraMake your own pinhole camera for safe observation of the sun, and find out how it works.http://nrich.maths.org/8041Sun, 01 Jan 2012 00:00:01 +0000Observing the Sun and the MoonHow does the time of dawn and dusk vary? What about the Moon, how does that change from night to night? Is the Sun always the same? Gather data to help you explore these questions.http://nrich.maths.org/8040Sun, 01 Jan 2012 00:00:01 +0000Make Your Own Solar SystemMaking a scale model of the solar systemhttp://nrich.maths.org/7753Mon, 01 Aug 2011 00:00:01 +0100Food ChainsWhen a habitat changes, what happens to the food chain?http://nrich.maths.org/7651Wed, 01 Aug 2012 00:00:01 +0100Food WebIs this eco-system sustainable?http://nrich.maths.org/7592Wed, 01 Aug 2012 00:00:01 +0100HelicoptersDesign and test a paper helicopter. What is the best design?http://nrich.maths.org/7459Tue, 01 Mar 2011 00:00:01 +0000Avalanche!Investigate how avalanches occur and how they can be controlledhttp://nrich.maths.org/7454Wed, 01 Jun 2011 00:00:01 +0100Big and Small Numbers in ChemistryGet some practice using big and small numbers in chemistry.http://nrich.maths.org/7428Tue, 01 Feb 2011 00:00:01 +0000Counting DolphinsHow would you go about estimating populations of dolphins?http://nrich.maths.org/7338Wed, 01 Jun 2011 00:00:01 +0100Construct the Solar SystemMake an accurate diagram of the solar system and explore the concept of a grand conjunction.http://nrich.maths.org/7268Tue, 01 Feb 2011 00:00:01 +0000Perfect EclipseUse trigonometry to determine whether solar eclipses on earth can be perfect.http://nrich.maths.org/6683Tue, 01 Feb 2011 00:00:01 +0000Molecular SequencerInvestigate the molecular masses in this sequence of molecules and deduce which molecule has been analysed in the mass spectrometer.http://nrich.maths.org/6562Tue, 01 Feb 2011 00:00:01 +0000Heavy HydrocarbonsExplore the distribution of molecular masses for various hydrocarbonshttp://nrich.maths.org/6561Tue, 01 Feb 2011 00:00:01 +0000Carbon FootprintsIs it really greener to go on the bus, or to buy local?http://nrich.maths.org/6508Tue, 01 Feb 2011 00:00:01 +0000Global WarmingHow much energy has gone into warming the planet?http://nrich.maths.org/6453Tue, 01 Feb 2011 00:00:01 +0000