[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address 54.158.167.137. Please contact the publisher to request reinstatement.
[Skip to Content Landing]
Article
December 13, 1919

LONDON

JAMA. 1919;73(24):1849-1850. doi:10.1001/jama.1919.02610500039021

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.

Abstract

Nov. 19, 1919.

The Medical Research Committee  The fifth annual report of the Medical Research Committee (a body appointed under the national health insurance act to undertake research) has issued its fifth annual report. This surveys the advances in medical science during the war, and indicates how they may be utilized in peace. Some very interesting researches are described. One is that of Dr. Benjamin Moore on "photosynthesis." He finds that in the presence of sunlight, but without the aid of bacteria, both fresh water and marine algae are able to take nitrogen out of the air and to "fix" it. The nitrogen is taken up probably as nitrites and nitrates formed by the action of light on nitrogen and oxygen in the air or dissolved in water. Evidence has been found that the so-called "active oxygen" of fresh country air is not ozone, but nitrogen peroxid, probably formed by

First Page Preview View Large
First page PDF preview
First page PDF preview
×