David Brian Butvill
Recent articles by David Brian Butvill
There's a flying squid? Yes some squid really can fly - Here's how and why
Can squid really fly? Yes, says David Brian Butvill, there are a few squid species that can get airborne... Here's how and why
Ugh there's a tongue-eating parasite? Afraid so, and it grows as big as a cockroach. Meet Cymothoa exigua
What’s grosser than gross? A parasite that eats your tongue – and then lives in your mouth, as your tongue. Meet the nightmarish Cymothoa exigua.
Meet the swell shark, a marvel of self-inflation
How and why the swell shark can inflate itself to twice its size
How can penguins dive so deep?
Penguins can dive hundreds of metres deep, all on a single breath of air. just how do they do it?