Tag Archives: evolutionary

[ad_1] On a sunny spring day in 2016, Yana Eglit tucked herself away in the lab where she works to earn her PhD in biology. She peered down the eyepieces of a …

[ad_1] VANCOUVER – Swallows develop smaller, more manageable wings to help them avoid buildings and vehicles. Some fish have smaller mouths and are more difficult to catch. The big animals of the …