So obvious I didn’t think of her, though she probably refuses to self-identify as blonde: Hot Wheels Helena!

Helena poses on a punt
Babes Of Biology No. 3: Miss July
[click to enlarge]
Helena grins
Helena has a PhD in biotechnology and her interests include killer bugs and driving quickly but very, very safely. If she wins Miss Biology 2007 she’d like to travel around the World as an ambassador for her favourite charidee.