EarthHalf of life on Earth has vanished since we arrived on the scene The biomass of living organisms on the planet has halved since human civilisation began, and humans now outweigh all wild mammals tenfold News
LifeWhy ancient deer returned to the sea and became whales Over the last 250 million years land animals have repeatedly begun exploiting the seas, giving rise to creatures like whales and walruses. The question is why News