When did Aristophanes Die?

Bonaparte Did Not Die of Cancer

Did Jesus die of a 'broken heart'?

Could these biblical texts be interpreted as the historical evidence that Jesus of Nazareth died of heart rupture or ‘a broken heart’ causing pericardial tamponade (punctured by the soldier’s spear)? During the last decade, a strange syndrome of extensive reversible cardiac dysfunction precipitated by acute emotional or physical stress has been increasingly recognized. The syndrome has various ...

When did oxygenic photosynthesis evolve?

The atmosphere has apparently been oxygenated since the 'Great Oxidation Event' ca 2.4 Ga ago, but when the photosynthetic oxygen production began is debatable. However, geological and geochemical evidence from older sedimentary rocks indicates that oxygenic photosynthesis evolved well before this oxygenation event. Fluid-inclusion oils in ca 2.45 Ga sandstones contain hydrocarbon biomarkers ev...

When did medicines become essential?

Expanding access to essential medicines has become one of the most visible challenges of global health delivery. Only a half-century ago, however, the role of medicines in international public health was far less obvious. Indeed, the original 1946 Constitution of the World Health Organization (WHO) barely mentioned medicines. 1 How did access to drugs assume such a central role within global he...

What did they know, and when did they know it?

voted to ease monetary policy, which was widely reported as a lowering of interest rates. Although some interest rates fell with the Fed' s action, the declines were generally small, and over succeeding months market interest rates tended to rise. The yield on the Treasury' s 10-year note, for example, which had been 5.63 percent on January 30, and which closed at 5.60 percent on January 31, st...