Why do Pigeons nod their Heads?

03 September 2010
Presented by Dave Ansell, Sue Marchant


Pigeon teaser


Why do Pigeons nod their heads? How does food become body fat? What can you do with a ramjet? We take on these questions as well as discover how megapixels are formed, whether bees go into their hives at night and why we use CO2 in fizzy drinks. Plus, we sniff out why cows produce methane!


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