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During the first months of the coronavirus pandemic, the World Health Organization estimated that each sick individual was infecting an average of two others. This “basic reproductive number” — or (R0) and pronounced “R naught” — reveals how contagious a disease is. Now, new research from 91�������� says the number was likely twice as big.

By the time researchers found the dead whale on a Martha’s Vineyard beach, her jet-black skin was pockmarked by hungry seagulls, her baleen had been dislodged from her mouth, and thin rope was wrapped tightly—as it had been for 17 months—around the most narrow part of her tail.

A Duke Forest tour featured research from the SEEDS Lab.