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AnimalsHummingbirds can clock flower refills
Hummingbirds can keep track of when a particular flower has replenished its nectar and is worth visiting again.
By Susan Milius -
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Although I love finding out about how traits supposedly unique to humans are shared by animals, I don’t see how the experiment in this article demonstrates episodic memory in hummingbirds. How is this not the simple sensing (smelling) of the sugar drink in the syringes? Yvonne LyerlaSonoma, Calif. Researcher T. Andrew Hurly says that his […]
By Science News -
ArchaeologyEarly farmers took time to tame wheat
Domesticated varieties of wheat emerged gradually in the prehistoric Near East over a roughly 3,000-year span.