7 results for “life”
Life & Biology
The Origin of Life
Life is built from a surprisingly short list of parts: amino acids, which link into proteins
Article · 4 min read
Life & Biology
What Is Life? The Cell
life is made of cells, and if you want to understand what life is, you start
Article · 4 min read
Life & Biology
Dinosaurs and Mass Extinctions
life nearly ended five times. For most of the time there have been animals on land
Article · 3 min read
Life & Biology
Bacteria and Viruses
life and chemistry. Viruses infect every form of life. The most numerous are those that attack
Article · 4 min read
Life & Biology
DNA and Genes
life on Earth descends from a single ancestor. Your genome The complete set of DNA in an organism
Article · 4 min read
Life & Biology
Ecosystems and Food Webs
life runs on ecosystems. Forests and plankton make the oxygen; wetlands clean the water; insects pollinate
Article · 4 min read
Life & Biology
Evolution
life changing through time. The oldest rocks hold only microbes. Then, about 540 million years ago, animals
Article · 4 min read
