A Moment of Science

Posts tagged closer look

July 31, 2013

 

elephants drinking water at a stream

What Came First, The Trunk Or The Snorkel?

When elephants swim, they use their trunks as snorkels, so their trunks must be adaptations for swimming.

September 27, 2003

 

Changing Gears

In our high-tech world it’s easy to forget the simpler things. Take a bicycle, for instance. No engine, no computerized braking system, no fancy fuel injection: all you need is air in the tires and off you go. Simple, that is, until you take a closer look at bicycles with multiple speeds. How do all […]

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