The answer is in your yard. Watch closely for the smallest hints, record what you find and advance the cause of science.

While all maple tree species produce sap, sugar maples have the absolute best quality sap with the highest sugar content and ...

terminal buds clustered at tip of branch. Fruit – ½ to ¾ inch samaras with slightly divergent wings; mature in late spring to early summer. Bark – Gray scaly plates, variable, and often with “targets.