Every cuckoo is an adopted child—raised by foster parents, into whose nest the cuckoo mother smuggled her egg. The cuckoo mother is aided in this subterfuge by her resemblance to a bird of prey. There ...
A genetic analysis sheds light on when the outbreak began, how the virus spread and where it may be going. By Apoorva Mandavilli and Emily Anthes The bird flu virus sweeping across dairy farms in ...
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