New Delhi, April 14 -- In Antarctica's freezing depths, tiny creatures have mastered survival tactics that could unlock secrets to extreme cold resistance, with implications for science and medicine. Some of the most intense battles against the environment are waged by the smallest of creatures.

When it's cold, we, as warm-blooded (endothermic), animals simply put on a coat. Other endotherms, can be large, fat or furry to insulate their body from the cold.

Generating your own body heat, however, requires a lot of energy. Insects do not do not do this. The heat they need for metabolism and growth comes from the environment. This is partly how they are so abundant around the world. They need less energy to grow compared with warm-blooded ...