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Scientists have solved a longstanding mystery about how some fish can seem to disappear from predators.
The dusky dottyback, a fish living in the Great Barrier Reef, can change color to blend in with unsuspecting adult damselfish so it can prey on their young.
Even while growing inside their egg cases, some embryonic sharks keep very still when predators are nearby to avoid being detected.
It’s the most wonderful time of the year for hockey fans. The NHL playoffs are upon us.
