Slide title: Life in Lake Vostok

Slide images: (top left) microscopic image of bacteria found in melt samples taken from ice thought to be refrozen from the waters of Lake Vostok; (bottom left) map of Antarctica showing the location of Lake Vostok; (right) illustration showing a cross-section of Lake Vostok

Image credits: (top left) David M. Karl et al, University of Hawaii; (bottom left and right) Nicolle Rager Fuller, National Science Foundation