Conventional theory, based on fossil evidence, suggests that this spread took place by land, via the Levant.

ECONOMIST: Out of Africa, always something new | The

They spread rapidly and are resistant to radiation and to conventional drugs, leaving patients with little hope of survival.

ECONOMIST: Cancer treatment

Both believe that the fact that the spread between inflation protected treasury bonds (TIPS) and conventional Treasury bonds is very low, indicates that the danger of inflation is quite low.

FORBES: Why Interest Rates Tell Lies About Inflation, Growth And Just About Everything Else