LifeSea cucumber has modified genes to help it live on hydrothermal vents A sea cucumber called Chiridota heheva lives on deep-sea vents and cold seeps where there is little oxygen, and has evolved to survive in these toxic environments 51¶¯Âþ
LifeFemale seahorses cheat on their mate when they can no longer smell him Seahorses usually pair up into monogamous couples, but when females are kept apart from their male partners with a barrier that blocks odour they will mate with another male 51¶¯Âþ