SciNews Sunday, February 21, 2016

Interbreeding of homo sapiens and Neanderthals; chubby King penguins; frozen for 30 years and revived; 3D printed tissues grow and develop; colliding black holes; Stonehenge the cemetery- just a few of the themes in today’s eclectic collection of SciNews.  Share these stories with your students and get them excited about science.

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