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Science News Archive - April 30, 2011

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A US federal appeals court overturned a federal judge ruling which found that NIH guidelines on stem cell research violated the law because embryos were destroyed and it put other researchers working with adult stem cells at a disadvantage to win federal grants.

Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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