LifeFirst warm-blooded lizards switch on mystery heat source at will Tegus are unique among lizards in being able to control their body temperature during reproduction – hinting at how warm-bloodedness first evolved ¿ìè¶ÌÊÓÆµ
Your gut's trick for controlling the bacteria that live in it How do our bodies stop gut bacteria from taking over? The first evidence shows our cells send small molecules in to interfere with their genes ¿ìè¶ÌÊÓÆµ