The Sixth Extinction: An Unnatural History

Schefflera genus
Schell, Jonathan
Schneider, Kenny
Science
Scientific American
seabirds
sea cucumbers
sea floor vents
seagrass
sea level
sea scorpions, giant
sea slugs
sea snails (Jujubinus striatus)
sea temperatures
sea turtles, loggerhead
sea urchins
Arbacia lixula
seaweed
Amphiroa rigida
Corallina elongata
Corallina officinalis
Halimeda tuna
Sepkoski, Jack
Shanidar I “Nandy”
Shanidar (Solicki)
sharks
leopard
shocked quartz
Shujing
Siberian Traps
Signor-Lipps effect
Silent Spring (Carson)
Silman, Miles
Silurian period
Silva, Isabella Premoli
Simpson, George Gaylord
Sixth Extinction. See also extinction; mass extinction; and specific species