Plea Hearing in Sept. 11 Case Postponed to Jan. 10

A judge cited winter weather and a federal holiday for Jimmy Carter’s funeral as reasons for the delay. Government lawyers may also try again to overturn the plea deal.

This Tiny Fish’s Mistaken Identity Halted a Dam’s Construction

Scientists say the snail darter, whose endangered species status delayed the building of a dam in Tennessee in the 1970s, is a genetic match of a different fish.