Apple currently relies on relativelyancient Core 2 duo processors for the MacBook Air, apparently to maintain compatibility with the Nvidia graphics processor Apple favored for the current generation of the device.
Relatively new diseases like AIDS get most of the attention, but ancient killers once thought to be under control are on the rise in sub-Saharan Africa, Asia and South America: malaria, tuberculosis, leishmaniasis (also known as dum-dum fever).
Back in 2002, Agrawal and two of his graduate students attained hero status by solving a math problem that folks had been working on since the ancient Greeks: How to tell for sure if a number is prime relatively quickly, without having to check all possible factors of the number.