Whale of a tail: Scientists track unique humpback 'fingerprint'

In Antarctica, a scientist waits patiently for two frolicking humpback whales to poke their tails out of the icy waters so she can take a photographic "fingerprint" of the unique colors and patterns that allow researchers ...

Exploring the landscape of shadow education

The diverse forms of private tutoring range from one-to-one sessions to large lecture halls with video screens. Parents and students seek this supplement to gain a competitive edge in countries where academic achievement ...

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