Every now and again you meet someone truly dedicated to their cause. For Masayuki Tatsumi (Masa) being a marine biologist is anything but just a ‘job’. When Masa isn’t busy working on his PhD studies into climate change impacts on...

I duck-dived beneath the surface and the shark shot away into the blue… and that just about signalled the end of a fantastic day watching blue sharks out of Penzance with Charles Hood. The waters offshore of Cornwall support a...