NEW YORK, March 1 - Shares in Invitrogen fell sharply as the company warned that first-quarter revenue and earnings will be smaller than expected due to currency-exchange rates and weakness in some of its business units.
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The Wall Street Journal speaks with patients affected by questionable test results from Theranos.
Researchers link variants in TACR3 to hot flashes during menopause, Live Science reports.
Kuwait says it will alter its law requiring citizens and visitors to provide DNA samples, New Scientist reports.
In Science this week: convergent evolution in bird hemoglobin, and more.