Search results
The Ozone in the Earth's Atmosphere - Nature
Nature· 1 day agoTHE first accurate measurements of the amount of ozone in the atmosphere were made by Fabry and Buisson at Marseilles in 1920, and their method has been modified and developed by Dr. G. M. B ...
Radio-Active Changes in the Earths 1 - Nature
Nature· 1 day agoThe source from which radium is obtained is the mineral pitchblende. This mineral occurs in veins, like the majority of the useful metals; I may refer particularly to the mineral veins of Cornwall, so long famous as a source of tin.
The Olivine–Spinel Transition in the Earth's Mantle - Nature
Nature· 1 day agoFROM seismic data, Jeffreys1 has inferred the presence of a discontinuity in the Earth's mantle at a depth of 400–500 km. Bullen2 has ...
The Terrestrial Distribution of the Radio-elements - Nature
Nature· 1 day agoIN my letter of June 19 I briefly outlined three arguments which consistently point to a concentration of the radio-active elements in the earth ...
Thickness of the Earth's Crust - Nature
Nature· 1 day agoTHE question in debate is not a mathematical one. Accepting Archdeacon Pratt's calculations as correct, they would show that certain facts in the
NASA spots ‘surprise’ X shapes in Earth’s atmosphere
The Independent· 4 days agoNASA has discovered “surprise” X and C shapes in the Earth’s atmosphere - and scientists are struggling to explain them. While these ...
Wave Velocities in the Outer Part of the Earth's Mantle - Nature
Nature· 1 day agoHITHERTO, wave velocities V in the earth's interior have been calculated from the travel times t of earthquake waves in shallow shocks ...
Lightning Current Recorders - Nature
Nature· 1 day agoIn the Electrician of August 4 an account is given of a simple magnetic device which has been largely used for recording the currents that flow in the & ...
Consequences of Very Small Planetary Magnetic Moments - Nature
Nature· 1 day agoPALAEOMAGNETIC samples show a number of polarity transitions in the Earth's dipole field, and there seem to have been marked evolutionary ...
Bristol: Lower carbon emissions recorded in 2022
BBC News· 5 hours agoLower carbon emissions were recorded in 2022, according to the latest government figures. In Bristol, 1.57m tonnes of greenhouse gases were emitted, down...