Archaeologists have long puzzled over the severed heads found in Ancient Iberian Iron Age sites, displayed with nails driven ...

This growth was attributed to higher product revenue from DNA Tagging and increased isotopic testing services. The company reported an operating loss of $3 million, an improvement from $3.8 ...

SAN FRANCISCO (KGO) -- There are 12 animal symbols that represent the Chinese zodiac. The signs rotate every year--from year of the rooster to year of the dog, for example--and it's believed that ...

Weis and UBC colleagues Mark Jellinek and James Scoates made the connection by fingerprinting samples of Hawaiian island lavas--generated over the course of five million years--by isotopic analyses.

Using radioactive isotope systems to determine the age and origins of minerals and rocks, primarily as tracers of magmatic processes and the evolution of the earth. Organic molecules in natural waters ...