Statistician Paul Meier, who championed the random assignment of patients to treatment groups in clinical trials, changed the way the researchers test experimental drugs.
Statistician Paul Meier, who championed the random assignment of patients to treatment groups in clinical trials, changed the way the researchers test experimental drugs.
Two newly described fossils suggest that wood is some 10 million years older than previous believed.
Scientists discover that ancestors of the unicellular fungi can synthesize essential biomolecules with only trace levels of O2.
A new microfluidics chip lets researchers analyze the nucleic acids of 300 individual cells simultaneously.
Mothers more likely to have twins have heavier, healthier non-twin babies, possibly explaining why twinning evolved.
A prolific cardiac research scientist, Bernadine Healy revolutionized the study and treatment of disease in women.
Researchers use directed evolution to create a bacterial strain that substitutes a synthetic base for thymine.
Healthy mice are born from germ cell precursors grown in vitro.
The Nobel Prize winner who discovered the gene that encodes the major histocompatibility complex passes away at age 90.
John Marburger became a lightning rod for criticism that the Bush administration had politicized climate change science and human embryonic stem cell research.