5 results for “Earth”
Life & Biology
The Origin of Life
Earth was a ball of molten rock under a sky of steam and carbon dioxide, hammered
Article · 4 min read
Life & Biology
Dinosaurs and Mass Extinctions
Earth has nearly been wiped out at least five times. What a dinosaur is Dinosaurs were
Article · 3 min read
Life & Biology
Bacteria and Viruses
Earth, all of them invisible. Microbes, organisms too small to see, were the only life on the planet
Article · 4 min read
Life & Biology
What Is Life? The Cell
Earth, all life is made of cells, and if you want to understand what life is, you start
Article · 4 min read
Life & Biology
DNA and Genes
Earth descends from a single ancestor. Your genome The complete set of DNA in an organism
Article · 4 min read
