Horny tortoises and solar mysteries: what scientists can learn from a total eclipse

For most people seeing a total solar eclipse is a once in a
lifetime experience. But for scientists it can be a fleeting chance
to understand something deeper about their field of research.
Madeleine Finlay meets solar scientist prof Huw Morgan, of
Aberystwyth University, and Adam Hartstone-Rose, professor of
biological sciences at NC State University, to find out what they
hoped to learn from 8 April’s four minutes of darkness.. Help
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