Officials from Thermo Electron and Waters expressed cautious optimism about big pharma's future spending on big-ticket research instruments as both firms reported strong revenue growth for the first quarter of 2006.

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Researchers have sequenced the northern white rhinoceros to gauge whether it could be brought back from the edge of extinction, the New York Times reports.

Bavaria expands its forensic genetic analyses to include DNA phenotyping, raising discrimination concerns.

Tufts University researchers found a role for miRNA in transmitting stress between generations, the Economist reports.

In Science this week: gut microbiome influences liver cancer growth, spread; and more.