While many comic book heroes may have gained their powers through scientific experiments or accidents, there's more magic than science behind their powers. Or is there? A Stanford biologist looks at how epigenetic science can explain two Marvel characters' abilities.

Post-doc researcher Sebastian Alvarado considers how epigenetics might account for Captain America's change in physique and the Hulk's immense growth. There are, he notes however, certain limitations to how real science can explain comic book science. For example, gamma radiation could only be part of the story when it comes to the Hulk.

You can read more about Alvarado speculations on the relationship between epigenetics and comic book science at Stanford's website.

Stanford biologist explains science of origin stories of Captain America and the Incredible Hulk [Stanford via Laughing Squid]