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Tick biting skin

GETTING ATTACHED A tick that is attached to the skin for about two days can spread Lyme disease, the most common tickborne infection in the United States. The disease is hard to detect, but scientists are investigating new diagnostic approaches.


WINTER WOES The worst winter losses of U.S. honeybee colonies in more than a decade raise worries about how much punishment these crop pollinators can take.

tree finch

OUT OF TUNE  Parasitic fly larvae chew through the beaks of some tree finches (Camarhynchus parvulus shown) in the Galápagos Islands, changing the birds’ songs and possibly their chances at landing a mate.

fishing boats

COASTAL CONNECTIONS  Thanks to eggs and larvae surfing ocean currents around the world, many fisheries depend on other nations’ spawning grounds to supply their fish stock, a study shows. 

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