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Most children grow all 20 of their primary teeth between...

Archaeologists in Aarhus, Denmark, reported finding graves of 77 Viking...

A team in Massachusetts has recovered lithium carbonate at 99.79...

Microbes entombed in deep permafrost, ground that stays frozen for...

Sperm whales near Dominica may be saying far more in...

Hatchling loggerhead sea turtles begin life with a remarkable challenge....

High above Earth, an astronaut looked down on northern Ethiopia....

Engineers at the Georgia Institute of Technology built a soft...