EarthBrown pebble turns out to be first ever pickled dinosaur brain The petrified specimen comes from a large plant eater such as Iguanodon, which lived about 133 million years ago, and whose brain was pickled in mud after it died News
LifeAnimal heroes that save other species: Five amazing stories Whales adopt a dolphin, a bear saves a crow and humans are rescued from a great white shark. Read about the creatures that went beyond their Darwinian duty Features