Sentences with phrase «dozen early experiments»
A dozen early experiments in different regions have shown that plankton growth increases when iron is artificially added, but scientists have yet to show that this could lock significant amounts of CO2 into the ocean; carbon from the plants would have to sink to the bottom for this to happen.
https://www.ldeo.columbia.edu/ Not exact matches
The Czech - born psychiatrist conducted dozens of government - sanctioned LSD experiments in the»50s,»60s, and early»70s on heroin addicts, alcoholics, and terminal cancer patients in his native Prague and later at the Maryland Psychiatric Research Center, a mental health facility in Catonsville, Maryland, where he was chief of psychiatric research.