EarthSome of the earliest plants took root by growing up, not down A geological formation in China reveals how a small plant managed to anchor earth to a depth of 15 metres, allowing soils to form ¿ìè¶ÌÊÓÆµ
LifeUniversal ancestor of all life on Earth was only half alive The identification of genes likely to belong to the common ancestor of life suggests its biochemistry was incomplete, forcing it to cling to undersea vents ¿ìè¶ÌÊÓÆµ