Dense covering protects from coldsnow lotus
Flowers of snow lotus plants protect from the cold via thick, furry insulation.
Dead leaves insulate against firecape aloe
The stems of cape aloe resist fire via dead leaf insulation.
Humidity sensorSogang University, Korea
Humidity sensor without electronics
Electricity helps communicationsmormyrid electric fish
The mormyrid electric fish communicate during courtship using electrical displays by varying waveform and pulse intervals.