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Investigating the Four-legged Snake Fossil
Bob Grant | Aug 5, 2015
Brazilian officials are trying to determine whether the transformational fossil find was exported illegally from the country.
Opinion: Life’s X Factor
Nick Lane | Aug 4, 2015
Did endosymbiosis—and the innovations in membrane bioenergetics it engendered—make it possible for eukaryotic life to evolve?
Four-legged Snake Fossil Found
Bob Grant | Jul 27, 2015
Researchers discover an unprecedented paleontological relic that may just rewrite the book on snake evolution.
Warming Climate Hurt Megafauna?
Jef Akst | Jul 27, 2015
The massive mammals that roamed Earth some 30,000 years ago may have gone extinct as a result of global warming, according to an ancient-DNA study.
“Feathered Poodle From Hell” Dino Found
Kerry Grens | Jul 20, 2015
A newly discovered relative of
had abundant plumage and birdlike wings.
How to Make a New Species
Ruth Williams | Jul 1, 2015
Scientists mutate a mating pheromone and its corresponding receptor in yeast to promote speciation.
Sarah Hewitt | Jul 1, 2015
Five species of waterfowl have evolved a variety of adaptations to adjust to the high altitude of South America’s Lake Titicaca.
Speaking of Science
Staff | Jul 1, 2015
July 2015's selection of notable quotes
Roos Are Mainly South Paws
Bob Grant | Jun 22, 2015
A new study shows that kangaroos are predominantly left-handed.
Spider and Centipede Venom Remarkably Similar
Bob Grant | Jun 12, 2015
The predatory toxins employed by animals separated by millions of years of evolution are virtually identical, a study shows.