You might not have noticed, but drop by drop, the first harvest of 2021 has begun. There's more sunlight. Maple trees and their shallow roots break their dormancy, and the sap will be ready to rise up ...
New Hampshire sycamore sap boils down into syrup at researcher David Moore’s house in Lee. Credit: Annie Ropeik/NHPR This segment is part of The State of Science, a series featuring science stories ...
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