William S's Enrolled Lessons
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2 minFREEBiology Nerdy CurioFree2 CQ
Did Tyrannosaurus Rex's arms get shorter over time because they were no "longer" significantly advantageous? In today's Nerdy Curio from Minute Earth, find out which evolutionary factors may be at play in determining the famous predator's stubby arms.
with Minute EarthDid Tyrannosaurus Rex's arms get shorter over time because they were no "longer" significantly advantageous? In today's Nerdy Curio from Minute Earth, find out which evolutionary factors may be at play in determining the famous predator's stubby arms.
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10 minFREEPhysics lessonFree6 CQ
In this lesson, learn about quod erat demonstrandum, or QED: one of the most important discoveries in physics that proves more theories than anything else.
with Es EinsteiniumIn this lesson, learn about quod erat demonstrandum, or QED: one of the most important discoveries in physics that proves more theories than anything else.