Sentences with phrase «tiniest traces of life»
A research biologist in the Marine Mammal Genetics Group at the Southwest Fisheries Science Center in La Jolla, Calif., Hancock - Hanser and her colleagues tease information from the tiniest traces of life.
https://www.sciencedaily.com/ Not exact matches
FOSSILS Traces and preserved remains of ancient life found within rock layers Fossils show Biodiversity How species have changed over time Correlation 4 Ways to tell the age of a rock Absolute Dating All you need is a tiny sample of material (mineral, bone) no larger than a grain of rice.
But there are wider and more long - lived traces too, in the form of changed patterns of carbon isotopes (absorbed by every living thing) and in tiny, virtually indestructible particles of fly ash released from furnaces and chimneys.