Sentences with phrase «find traces of his presence»

Not exact matches

As an added assurance they are also tested for the presence of glyphosate and no trace was found.

Aerosol nucleation is known to require sulphuric acid, but Kirkby's team found that it is not enough by itself at low altitudes — the presence of an additional organic trace vapour is needed (Nature, DOI: 10.1038 / nature10343).

Canadian researchers have found a way to screen blood samples for molecular traces that indicate the presence of precancerous polyps in the colon, a key warning sign for colon cancer.

Carbonate minerals, which form in the presence of water and have previously been found only in trace amounts on Mars, have been spotted in outcrops of rock on the Red Planet, new observations reveal.

The study found no groundwater contamination or soil - fertility decline after three years, while the presence of trace metals remained low.

While not as common as hopanes (the biomarkers of prokaryotes), the trace eukaryotic hydrocarbon biomarkers purportedly found in the Archean shales would have pushed back their geological presence by 500 million to 1 billion years before their known fossil record (Brocks et al, 1999; and Burlingame et al, 1965).

As an added assurance they are also tested for the presence of glyphosate and no trace was found.

The pink color is actually indicative of the presence of valuable trace minerals, and the taste is unlike anything you would find in your local diner salt shaker.

The presence of the giant octopus was reported to local Belizean officials who scoured the area but found no trace of the creature.

This series finds its core, therefore, in the interplay between presences and absences — the absence of the mother, and the traces of her life explored in states of unforgetting.

Her work suggests a stage prior to and beyond difference, in which everyone finds something they can recognize — the pulse of life, the trace of a self, something akin to the visualization of human presence.

By evoking the act of tracing — to conjure the Latin root of geography: «earth writing» — artistic meaning may be found in the Derridian implications of presence and absence, the act of demarcation and tracing borders, or the specters of past histories and traces of memory that inhabit charged spaces.

It's a chemical found only in the amoebocytes of its blood cells that can detect mere traces of bacterial presence and trap -LSB-...]