Erin Espelie, Zahoor Salmi (fot.)
págs. 2-4
Mapping main street: What does our galaxy look like?.
págs. 10-11
Parable of the parasite: Traditional medicines may have side effects.
págs. 12-19
Leo's star sets in the West: Vulnerable everywhere in the wild, lions already face regional extinction.
págs. 20-35
The Out-of-Towners: Coastal plain plants of the Upper Midwest.
págs. 36-38
pág. 48
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