After hours: January 28 at 4:01:50 PM EST Loading Chart for PCYO ...

the brilliant Serbian mathematician Milutin Milankovitch had explained how our world warms and cools on roughly 100,000-year cycles due to its slowly changing position relative to the Sun.

The role and value of theory in improvement work in healthcare has been seriously underrecognised. We join others in proposing that more informed use of theory can strengthen improvement programmes ...

Used under Creative Commons Licences 4.0 The image below, from NASA, illustrates two of the three of these orbital cycles: eccentricity and obliquity ... causing ice sheets build up and initiate a ...