LifeSkates evolved their undulating wings thanks to genome origami The front fins of skates emerge from their heads as huge wings and now we know how they can develop in this way ¿ìè¶ÌÊÓÆµ
EarthOxygen on early Earth may have come from quartz crushed by earthquakes Billions of years ago, crushed quartz reacting with water could have created the conditions needed for the evolution of the photosynthetic microbes responsible for most of the oxygen now in Earth’s atmosphere ¿ìè¶ÌÊÓÆµ