A type of zooplankton, Daphnia pulex (a.k.a. the water flea) is a microscopic crustacean whose unique reproduction habits make it the perfect species for studying evolution and natural selection.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A type of zooplankton, Daphnia pulex (a.k.a. the water flea) is a microscopic crustacean whose unique ...

Mount Maunganui’s Main Beach will this weekend be the canvas for a large sand art installation celebrating Te Wiki o Te Reo Māori. Kenrick Smith, the sand artist behind many other large sand ...

After hours: September 20 at 7:50 PM EDT Loading Chart for SAND ...

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