+ genetic engineering
+ practical use
+ an American biotechnology company
+ virtual object
+ white-water rafting
+ running a swift current
+ a question many people find intrinsically fascinating
+ follow
+ arise
+ stride
+ outpace
+ uproar
+ embeded with
+ connotation
+ New breakthoughs are on the horizon.
+ a series of experiment
+ struggle
+ demanding analysis
+ fail
+ comparison with
+ physical science(s)
+ precise
+ theoretical predictions
+ lifetime
+ advancement
+ virdict
+
+
+
+
+
+
+
+ a piece of (string)
+ perform (the measurement)
+ obtain
+ host
+ the range of (things)
+ outward dawnward
+ go well beyond food
+ electrical circuit
+ along a ruler
+ objective knowledge
+
+
+
+
+
+
+
+
+
+