Roughly half of all hibernating hedgehogs fail to reach the spring. Some
female bats wake up to discover they are pregnant, having been impregnated
in their sleep. And female bears settling down for their seven-month sleep
as fun-loving girls-about-the-forest wake up as single mums, having
delivered several cubs (usually by different fathers) while they snooze.
We've looked at diets on QI before. There seem to be new ones every week, but if you're really looking at getting into that swimsuit this summer, here are some from LiveScience that scientists think really work...