"SCIENCE Life Sciences Ecology." . . "NATURE Ecosystems & Habitats Wilderness." . . "SCIENCE Environmental Science (see also Chemistry Environmental)" . . . . "NATURE Ecology." . . "Natural history." . . "Life (Biology)" . . . . "The Breath of Life"@en . . . . . . . . . . . . . . . . . . "Electronic books"@en . . "Breath of life and Under the apple-trees"@en . "Breath of Life" . "Whether the evolution of the human mind from the animal was by insensible gradations, or by a few sudden leaps, who knows? The animal brain began to increase in size in Tertiary times, and seems to have done so suddenly, but the geologic ages were so long that a change in one hundred thousand years would seem sudden. \"The brains of some species increase one hundred per cent.\" The mammal brain greatly outstripped the reptile brain. Was Nature getting ready for man? The air begins at once to act chemically upon the blood in the lungs of the newly born, and the gastric juices to act che."@en . . . . . "Guidebooks"@en . . . "The breath of life and, Under the apple-trees"@en . . . . . . . . . "The Breath of Life. [With a portrait.]"@en . . . "The breath of life" . . . "The breath of life"@en . . . "The breath of life : and, Under the apple-trees"@en . . . . "Breath of life"@en . "Breath of life" . . . . . .