With just a stray date pit, pebble and seashell, a group of parrots figured out how to make a nutritional supplement.
With help from close blood relatives of the famous animal, the Pinta tortoise could one day thrive again.
All dogs alive today can trace at least some of their
ancestry back to dogs that were domesticated 33,000 years ago in
southern East Asia, suggests one of the most extensive ever
investigations of canine DNA.
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