Understanding the coevolution of reproductive structures. Learn more: http://www.sciencemag.org/projects/xx…
Watch more from our XX Files series: http://www.sciencemag.org/projects/xx…
[caption id="attachment_422" align="alignleft" width="140"] Couresty of Patrick J Lynch[/caption] ««« Written by Leila Knetsch. This is an engaging activity that helps students see how the... read more
Peergrade.io is a free website that allows teachers to provide a rubric for students to use assess peer assignments. The website allows teachers to see student assignments and the feedback they... read more
https://youtu.be/ElFyDjV7rmw Dinosaur sex ... it's as awkward as it sounds. Learn how Dinosaur mating has more to do with how birds and reptiles get it on then you think. Subscribe to Earth... read more
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