An Itch Is Not a Low-Level Form of Pain
Discovery suggests a dedicated circuit that prompts us to scratch
Stories by Chris Palmer
Fossils Indicate Common Ancestor for Old World Monkeys and Apes
A discovery of the oldest known fossils from two major primate groups fills in a 10-million-year gap in the record and reveals new information about evolution
Obama Administration Announces 3 Advanced-Manufacturing Innovation Institutes
A $200-million investment will fund development in digital manufacturing technology, lightweight composites and new power sources
Liver Hormone Offers Hope for Diabetes Treatment
Compound boosts insulin production in mice
Oldest Dinosaur Embryo Fossils Discovered in China
A nesting site has yielded the earliest known organic remains of a terrestrial vertebrate
