LifeMale and female gibbons sing duets in time with each other Lar gibbons call out sounds that are synchronised and occur at regular intervals – a combination of rhythmic qualities that, until now, had only been seen in people ¿ìè¶ÌÊÓÆµ
LifeHow flowering plants beat bloom-free gymnosperms to world dominance Flowerless gymnosperms, such as conifer and ginkgo, ruled the Jurassic world before their flowering rivals, the angiosperms, became dominant. What caused the fall of one and the rise of the other? Features