circadian rhythm – Bianca Nogrady

Bearded dragon’s colour matches body clock

October 30, 2014No Comments

From ABC News in Science, 30 October 2014: The charismatic Australian bearded dragon changes colour in sync with its circadian rhythm, researchers have found. The study, published today in PLoS ONE , shows that the dragon continues to change from dark colours during the early part of the day, to light at night, even when … Continue reading Bearded dragon’s colour matches body clock

Blind cavefish ditches circadian rhythm to save energy

September 30, 2014No Comments

From ABC News in Science, 25 September 2014: The eyeless, cave-dwelling form of the Mexican tetra fish (Astyanax mexicanus) has surrendered its circadian rhythm for the sake of saving energy in its pitch-black habitat. The absence of a day/night cycle in the cave-dweller’s metabolism has resulted in a 27 per cent saving in energy use, … Continue reading Blind cavefish ditches circadian rhythm to save energy