The Lady Was a Spy

Published April 4, 2002 at 12:00 AM EST

Some were world famous, some were anonymous, but all performed hush-hush duties for their country. Female spies are the subject of a new exhibition: Clandestine Women: The Untold Stories of Women in Espionage. NPR's Susan Stamberg reports on Morning Edition.

Orcas are hunting whale sharks, the largest fish species on Earth

Lauren Sommer

A new study reveals how a group of killer whales is able to hunt whale sharks, adding to a growing body of research showing how the whales use intelligence and coordination in impressive ways.
Advocates renew a push for states to enact voting protections

Hansi Lo Wang

With efforts to bolster the federal Voting Rights Act unlikely under Republican control of the new Congress, advocates are refocusing on state protections against racial discrimination in elections.
How crocodiles get their scale patterns (Hint: It's unlike other animals)

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Many animals get their external marking--like, feathers, hair or scales-from genetics. But it turns out, the crocodile gets its head patterns differently.