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The Mystery of the Pregnant Rays
Divers find hundreds of normally solitary electric rays snuggled together
The Deadly Story of a Life-Giving Element
Author Jack Lohmann on his new book about phosphorus
The Extraordinary, Imperiled Science at the End of the Earth
Firing experts in Antarctica couldn't come at a worse time
Icelandic Horses Have Good Genes
New evidence suggests their unique gaits have a complex pedigree
The Great Whale Conveyor Belt
The loss of whales has weakened the longest food chain on the planet
The Importance of Muscle
In his new book, Michael Joseph Gross explores how the notion of strength has changed since Homer
What Megalodons Tell Us About Gigantism
The biggest predator ever to have lived was a skinny beast
Why Elephants Rarely Get Cancer
What snakes, ferrets, and elephants are revealing about cancer resistance











