From Naruto and Sasuke to Guts and Griffith, the list highlights anime with the best rivalries between former friends.

Randomness inside cells can decide whether a cancer returns after chemotherapy or whether an infection survives antibiotics. Even cells with the same DNA can act differently because their molecules ...

PCBs are the future generation of printed circuit board technology, which allows high-performance, space-saving ...

At senior official levels, one sometimes gets into positions where choices become difficult because they could violate one’s ...