30 years back

Back 30 Hearing

HUMAN EXPERIENCE IS enriched by our ability to distinguish a remarkable range of sounds—from the complexity of a symphony, to the warmth of a conversation, to the dull roar of the stadium. This ability depends upon the almost miraculous feats of hair cells, the receptors of the internal ear. Similar hair cells are also responsible for our sense of equilibrium. Human hearing commences when the c...

Putting the clock back 30 years: neonatal care since the 1991 NHS reforms.

The future of specialist services like neonatal intensive care seems to have been overlooked in the latest round of NHS reforms; yet the changes introduced by the NHS and Community Care Act 1990 may well have important consequences for such services. This paper examines the development of policy for the care of neonates, in particular the establishment of regional neonatal intensive care centre...

Pseudomonas biocontrol agents of soilborne pathogens: looking back over 30 years.

ABSTRACT Pseudomonas spp. are ubiquitous bacteria in agricultural soils and have many traits that make them well suited as biocontrol agents of soilborne pathogens. Tremendous progress has been made in characterizing the process of root colonization by pseudomonads, the biotic and abiotic factors affecting colonization, bacterial traits and genes contributing to rhizosphere competence, and the ...

Indoor radon entry: 30 years later

The paper discusses the results of 30 years of radon indoor entry research. While some progress has been made, many discrepancies between current theories and experimental data still remain. Misconceptions of radon transport mechanisms in homes are analyzed. The role of US Environmental Protection Agency in radon indoor entry research is examined and the agency's policies are criticize...

Microprocessors - 10 Years Back, 10 Years Ahead